Inventions

2062 inventions across 8 eras. Each invention emerged not from individual genius but from the convergence of conditions—the "adjacent possible."

44 with full evolutionary narratives

3G cellular network

3G cellular network - requires enrichment

5G cellular network

5G cellular network - requires enrichment

Abacus

The abacus did not emerge to solve abstract mathematical problems. It emerged to count grain—specifically, to manage the complex accounting that templ...

Abjad

Abjad - requires enrichment

Absorption refrigerator

Absorption refrigerator - requires enrichment

Accordion

Accordion - requires enrichment

Acetone

Acetone - requires enrichment

Acetylsalicylic acid

first synthesis in 1853; the Aspirin entry represents improvements in synthesis and commercialization that allowed the widespread use of Aspirin in me...

Acheson process

Process to make synthetic graphite and silicon carbide

Acheulean stone tool

Acheulean stone tool - requires enrichment

Achromatic lens and achromatic telescope

Achromatic lens and achromatic telescope - requires enrichment

Acrylic glass

Acrylic glass - requires enrichment

Acrylic paint

Acrylic paint - requires enrichment

Active-pixel sensor

Active-pixel and CMOS sensors aren't exactly the same thing, but CMOS is by far the most common type of APS today

Advanced driver-assistance system

Advanced driver-assistance system - requires enrichment

Advanced Encryption Standard

Advanced Encryption Standard - requires enrichment

Aeolipile

Aeolipile - requires enrichment

Aerogel

Aerogel - requires enrichment

Aerosledge

Aerosledge - requires enrichment

Agar

Agar - requires enrichment

Agar plate

Agar plate - requires enrichment

Agent Orange

Agent Orange - requires enrichment

Air conditioner

Air conditioner - requires enrichment

Air fryer

Air fryer - requires enrichment

Air gun

Air gun - requires enrichment

Air-independent submarine

Air-independent submarine - requires enrichment

Airbag

Airbag - requires enrichment

Aircraft carrier

Aircraft carrier - requires enrichment

Aircraft carrier with full-length flight deck

Aircraft carrier with full-length flight deck - requires enrichment

Aircraft dope

Aircraft dope - requires enrichment

Aircraft steam catapult

Aircraft steam catapult - requires enrichment

Airless tire

Airless tire - requires enrichment

Airplane

Airplane - requires enrichment

Airship with manual propulsion

crossed the English channel in 1785

Alcohol fermentation

Alcohol fermentation - requires enrichment

Alcohol thermometer

Alcohol thermometer - requires enrichment

Alembic

Alembic - requires enrichment

Alexanderson alternator

Alexanderson alternator - requires enrichment

AlexNet

Landmark machine learning breakthrough

Alkaline fuel cell

Alkaline fuel cell - requires enrichment

Alphabet with vowels

Alphabet with vowels - requires enrichment

Alternating current

Alternating current - requires enrichment

Alum

Alum - requires enrichment

Aluminium

Aluminium - requires enrichment

Amate

Amate - requires enrichment

Ammonium chloride

Ammonium chloride - requires enrichment

Amphetamine

Amphetamine - requires enrichment

Amphora

Amphora - requires enrichment

Amplifier

Amplifier - requires enrichment

Amplitude modulation

Amplitude modulation - requires enrichment

Analog computer

Antikythera mechanism possibly from Rhodes, possibly involved Hipparchus.

Analog optical disc

Analog optical disc - requires enrichment

Analytical engine

Analytical engine - requires enrichment

Anchor escapement

Anchor escapement - requires enrichment

Anemometer

Anemometer - requires enrichment

Aniline

Aniline - requires enrichment

Animal cloning

Animal cloning - requires enrichment

Animal cloning from adult cells

Animal cloning from adult cells - requires enrichment

Animal-driven rotary mill

possibly in Carthaginian Sardinia

Anode ray

Anode ray - requires enrichment

Anthrax vaccine

Anthrax vaccine - requires enrichment

Antimony

Antimony - requires enrichment

Antivirus software

From Wikipedia: "There are competing claims for the innovator of the first antivirus product. Possibly, the first publicly documented removal of an "i...

Aqua regia

Aqua regia - requires enrichment

Aqueduct

Aqueduct - requires enrichment

Arc converter

Arc converter - requires enrichment

Arc lamp

Arc lamp - requires enrichment

Arcade video game

Arcade video game - requires enrichment

Arch dam

Arch dam - requires enrichment

Archimedes' screw

Archimedes' screw - requires enrichment

Archipendulum

Archipendulum - requires enrichment

Ard plough

Ard plough - requires enrichment

Argand lamp

Argand lamp - requires enrichment

Argon

Argon - requires enrichment

Arithmetic mean

Arithmetic mean - requires enrichment

Arithmometer

First commercially successful mechanical calculator

Armed car

Armed car - requires enrichment

Armillary sphere (China)

Armillary sphere (China) - requires enrichment

Armillary sphere (Greece)

Armillary sphere (Greece) - requires enrichment

Armoured car

Armoured car - requires enrichment

Armstrong gun

Armstrong gun - requires enrichment

Arquebus and matchlock

Arquebus and matchlock - requires enrichment

Arsenic

Arsenic - requires enrichment

Arsenical bronze

Arsenical bronze - requires enrichment

Articulated tram

Articulated tram - requires enrichment

Artificial heart

Artificial heart - requires enrichment

Artificial horizon

Artificial horizon - requires enrichment

Artificial neural network

Artificial neural network - requires enrichment

Artificial refrigeration

Artificial refrigeration - requires enrichment

Artificial satellite

Artificial satellite - requires enrichment

Asbestos (industrial use)

Asbestos (industrial use) - requires enrichment

Aschheim-Zondek pregnancy test

Aschheim-Zondek pregnancy test - requires enrichment

Aspartame

Aspartame - requires enrichment

Aspirin

Aspirin - requires enrichment

Astrolabe

Astrolabe - requires enrichment

Atmospheric diving suit

Atmospheric diving suit - requires enrichment

Atmospheric railway

First demonstration in London in 1840, first line in Dublin in 1843

Atomic bomb

Atomic bomb - requires enrichment

Atomic clock

Atomic clock - requires enrichment

Atomic layer deposition

Atomic layer deposition - requires enrichment

Attention mechanism

Attention mechanism - requires enrichment

Aulos

Aulos - requires enrichment

Aurignacian stone tool

Aurignacian stone tool - requires enrichment

Autochrome

first commercially successful color photography process

Autoclave

Autoclave - requires enrichment

Autoclaved aerated concrete

Autoclaved aerated concrete - requires enrichment

Autogyro

Autogyro - requires enrichment

Automated anti-aircraft fire-control system

Automated anti-aircraft fire-control system - requires enrichment

Automated external defibrillator

Automated external defibrillator - requires enrichment

Automated insulin delivery system

Automated insulin delivery system - requires enrichment

Automatic fire sprinkler

Automatic fire sprinkler - requires enrichment

Automatic flour mill

Automatic flour mill - requires enrichment

Automatic loom

Automatic loom - requires enrichment

Automatic machine gun

The Maxim gun: first practical self-powered machine gun

Automatic milking system

Automatic milking system - requires enrichment

Automatic rice cooker

Automatic rice cooker - requires enrichment

Automatic telephone exchange

Automatic telephone exchange - requires enrichment

Automatic teller machine

Automatic teller machine - requires enrichment

Automatic transmission

Automatic transmission - requires enrichment

Automobile

Automobile - requires enrichment

Backpropagation

Backpropagation - requires enrichment

Backstaff

Backstaff - requires enrichment

Bacteriophages

Bacteriophages - requires enrichment

Bagpipes

Bagpipes - requires enrichment

Bakelite

first fully synthetic plastic

Baking powder

Baking powder - requires enrichment

Balance scale

Balance scale - requires enrichment

Balance spring

Disputed priority between Hooke and Huygens

Balance wheel

Balance wheel - requires enrichment

Ball-and-disk integrator

Ball-and-disk integrator - requires enrichment

Ballista

Ballista - requires enrichment

Ballistic missile

Ballistic missile - requires enrichment

Ballistic missile submarine

Ballistic missile submarine - requires enrichment

Ballpoint pen

Ballpoint pen - requires enrichment

Banjo

Banjo - requires enrichment

Banknote seal

Banknote seal - requires enrichment

Barbat

Barbat - requires enrichment

Barbed wire

Barbed wire - requires enrichment

Barium

First isolation of the element

Barometer

Barometer - requires enrichment

Baroque guitar

Baroque guitar - requires enrichment

Barrel

Barrel - requires enrichment

Basic oxygen steelmaking

Basic oxygen steelmaking - requires enrichment

Bass guitar

Bass guitar - requires enrichment

Bassoon

Bassoon - requires enrichment

Bathyscaphe

Bathyscaphe - requires enrichment

Bayer process

Bayer process - requires enrichment

Bayonet

Bayonet - requires enrichment

Beaufort scale

Beaufort scale - requires enrichment

Bed

Bed - requires enrichment

Beekeeping

Beekeeping - requires enrichment

Beet sugar factory

Beet sugar factory - requires enrichment

Benzene

Benzene - requires enrichment

Bergius process

Bergius process - requires enrichment

Beryllium

Beryllium - requires enrichment

Bessemer process

The modern process is named after its inventor, the Englishman Henry Bessemer, who took out a patent on the process in 1856. The process was said to b...

Beta blocker

Beta blocker - requires enrichment

Bidet

Bidet - requires enrichment

Bidriware

Bidriware - requires enrichment

Bimetallic strip

Bimetallic strip - requires enrichment

Bimetallic thermostat

Bimetallic thermostat - requires enrichment

Binocular microscope

In the 1850s, John Leonard Riddell, Professor of Chemistry at Tulane University, invented the first practical binocular microscope while carrying out...

Binomial nomenclature

Binomial nomenclature - requires enrichment

Bipolar junction transistor

Bipolar junction transistor - requires enrichment

Birch bark manuscript

Birch bark manuscript - requires enrichment

Bireme

Bireme - requires enrichment

Bismuth

Bismuth - requires enrichment

Bitumen

Bitumen - requires enrichment

Blast furnace

Blast furnace - requires enrichment

Blockchain

Blockchain - requires enrichment

Bloomery

Bloomery - requires enrichment

Blu-ray

Blu-ray - requires enrichment

Blue and white pottery

Blue and white pottery - requires enrichment

Blue laser

Blue laser - requires enrichment

Blue LED

Blue LED - requires enrichment

Blueprint

Blueprint - requires enrichment

Bluetooth

Bluetooth - requires enrichment

Boat

Boat - requires enrichment

Bobbinet machine

Bobbinet machine - requires enrichment

Bolt-action rifle

based on previous work with breech-loading rifles

Bomba kryptologiczna

Bomba kryptologiczna - requires enrichment

Bombe (cryptology)

Bombe (cryptology) - requires enrichment

Bombsight

Bombsight - requires enrichment

Bone tool

Bone tool - requires enrichment

Boomerang

Specifically returning boomerangs. Also independently invented elsewhere (North America, Egypt, Europe)

Borehole drilling

Borehole drilling - requires enrichment

Boring machine

Sometimes called the first machine tool

Boron

First isolation of the element

Bow and arrow

Bow and arrow - requires enrichment

Bow drill

Bow drill - requires enrichment

Box kite

Box kite - requires enrichment

Boyden turbine

Boyden turbine - requires enrichment

Boyle's air pump

Boyle's air pump - requires enrichment

Brace

Brace - requires enrichment

Braille

Braille - requires enrichment

Brainbow

Brainbow - requires enrichment

Brake lining

Brake lining - requires enrichment

Bramah lock

Bramah lock - requires enrichment

Brass

Brass - requires enrichment

Bread

Bread - requires enrichment

Bronze bell

Bronze bell - requires enrichment

Bubble chamber

Bubble chamber - requires enrichment

Bubonic plague vaccine

Bubonic plague vaccine - requires enrichment

Bucket chain excavator

Bucket chain excavator - requires enrichment

Bucket-wheel excavator

Bucket-wheel excavator - requires enrichment

Bude-Light

Bude-Light - requires enrichment

Buisine

Buisine - requires enrichment

Bulla

Bulla - requires enrichment

Bulldozer

Bulldozer - requires enrichment

Bulletin board system

Bulletin board system - requires enrichment

Bullroarer

Bullroarer - requires enrichment

Bunsen burner

Bunsen burner - requires enrichment

Burr mill

Burr mill - requires enrichment

Byzantine lyra

Byzantine lyra - requires enrichment

Cable car

Cable car - requires enrichment

Cable car tram

Cable car tram - requires enrichment

Cable television

Cable television - requires enrichment

Cadmium

Cadmium - requires enrichment

Cadmium pigments

Cadmium pigments - requires enrichment

Caffeine

Caffeine - requires enrichment

Calcium

First isolation of the element

Calcium carbide production

independently discovered by Willson and Moissan in the same year

Calculus

Calculus - requires enrichment

Calico

Calico - requires enrichment

Caliper

Caliper - requires enrichment

Calotype

Calotype - requires enrichment

Calutron

Technique for uranium enrichment

Cam

Cam - requires enrichment

Camera lucida

Camera lucida - requires enrichment

Camera obscura

Camera obscura - requires enrichment

Camera phone

Camera phone - requires enrichment

Campbell–Stokes recorder

Campbell–Stokes recorder - requires enrichment

Can opener

Can opener - requires enrichment

Can opener with serrated wheel

Can opener with serrated wheel - requires enrichment

Candle

Candle - requires enrichment

Candle clock

Candle clock - requires enrichment

Canning

Canning - requires enrichment

Cannon

"The earliest known depiction of a cannon is a sculpture from the Dazu Rock Carvings in Sichuan dated to 1128, however, the earliest archaeological sa...

Cantilever bridge

Cantilever bridge - requires enrichment

Capillary action

Capillary action - requires enrichment

Capsule endoscopy

Capsule endoscopy - requires enrichment

Caravel

Caravel - requires enrichment

Carbide lamp

Carbide lamp - requires enrichment

Carbon arc welding

Carbon arc welding - requires enrichment

Carbon fibers

Carbon fibers - requires enrichment

Carbon microphone

Considered to have been independently invented by Hughes in England and Edison and Berliner in the US

Carbon paper

Carbon paper - requires enrichment

Carbon-14

Carbon-14 - requires enrichment

Carbon-dioxide laser

Carbon-dioxide laser - requires enrichment

Carbonated water

Carbonated water - requires enrichment

Cardboard

Cardboard - requires enrichment

Carding

Carding - requires enrichment

Carnot cycle

Carnot cycle - requires enrichment

Carousel slide projector

Carousel slide projector - requires enrichment

Carrack

Carrack - requires enrichment

Carruca

Carruca - requires enrichment

Cartesian coordinate system

Cartesian coordinate system - requires enrichment

Carvel boat building

Carvel boat building - requires enrichment

Cash register

Cash register - requires enrichment

Cassegrain reflector telescope

Cassegrain reflector telescope - requires enrichment

Cassette deck

Cassette deck - requires enrichment

Cassette tape

Cassette tape - requires enrichment

Cast iron

Cast iron - requires enrichment

Cast stone

Cast stone - requires enrichment

Castle

image shows the Castle Site of Montbazon, built in the late 10th or 11th century

Catalytic converter

Catalytic converter - requires enrichment

Catamaran

Catamaran - requires enrichment

Cataract surgery

speculatively, may be mentioned in Mesopotamian and Egyptian sources

Cathode ray

Cathode ray - requires enrichment

Cathode-ray tube

Cathode-ray tube - requires enrichment

Cave painting

Cave painting - requires enrichment

Cavity magnetron

Cavity magnetron - requires enrichment

Celestial globe

Celestial globe - requires enrichment

Cell

Cell - requires enrichment

Cell phone

Cell phone - requires enrichment

Cell theory

Cell theory - requires enrichment

Cellophane

Cellophane - requires enrichment

Cellophane adhesive tape

Cellophane adhesive tape - requires enrichment

Cellular network

Cellular network - requires enrichment

Celluloid

improvement on Parkesine, using camphor

Cellulose

Cellulose - requires enrichment

Cellulose acetate film

aka "safety film" because it's less flammable than nitrocellulose

Celsius scale

Celsius scale - requires enrichment

Central dogma of molecular biology

Central dogma of molecular biology - requires enrichment

Central processing unit

Central processing unit - requires enrichment

Centrifuge

Centrifuge - requires enrichment

Ceramic

Ceramic - requires enrichment

Ceramic bell

Ceramic bell - requires enrichment

Cerulean blue

Cerulean blue - requires enrichment

Chain mail

Chain mail - requires enrichment

Chain pump

Chain pump - requires enrichment

Chain rule

first mention in 1676, the year that Leibniz left Paris, visited London, and settled in Hanover

Chamberland water filter

Chamberland water filter - requires enrichment

Charcoal

first use of pure carbon

Charge qubit

Charge qubit - requires enrichment

Charged-coupled device

Charged-coupled device - requires enrichment

Chariot

Chariot - requires enrichment

Chatbot

Chatbot - requires enrichment

Chemically strengthened glass

Chemically strengthened glass - requires enrichment

Chemotherapy

Chemotherapy - requires enrichment

Cheque

Cheque - requires enrichment

Chess automaton

Chess automaton - requires enrichment

Chinampa

Chinampa - requires enrichment

Chinese treasure ship

Chinese treasure ship - requires enrichment

Chintz

Chintz - requires enrichment

Chlorine

Chlorine - requires enrichment

Chlorofluorocarbons

Chlorofluorocarbons - requires enrichment

Chocolate

Chocolate - requires enrichment

Chocolate bar

Chocolate bar - requires enrichment

Cholera vaccine

Cholera vaccine - requires enrichment

Chromatography

Chromatography - requires enrichment

Chromic acid cell

Chromic acid cell - requires enrichment

Chromium

Chromium - requires enrichment

Chromosome theory of inheritance

independent work by Boveri and Sutton around the same time

Chromosomes

Chromosomes - requires enrichment

Chronophotographic gun

Chronophotographic gun - requires enrichment

Chronophotography

Chronophotography - requires enrichment

Cigar

Cigar - requires enrichment

Cigarette

Cigarette - requires enrichment

Cinematograph

Cinematograph - requires enrichment

Cipher disk

Cipher disk - requires enrichment

Circular knitting machine

Circular knitting machine - requires enrichment

Clarinet

Clarinet - requires enrichment

Clark electrode

Clark electrode - requires enrichment

Class-D amplifier

Class-D amplifier - requires enrichment

Claude air liquefaction

Claude air liquefaction - requires enrichment

Claus process

Claus process - requires enrichment

Clavichord

Clavichord - requires enrichment

Clay tokens

Clay tokens - requires enrichment

Clinker boat building

Clinker boat building - requires enrichment

Cloisonné

Cloisonné - requires enrichment

Closed-core transformer

Closed-core transformer - requires enrichment

Clothing

Clothing - requires enrichment

Cloud chamber

Cloud chamber - requires enrichment

Cloud computing

Cloud computing - requires enrichment

CMOS

CMOS - requires enrichment

Coade stone

Coade stone - requires enrichment

Coal gas and gas lighting

Sometimes attributed to William Murdoch in the UK and Philippe LeBon in France

Coal mining

Coal mining - requires enrichment

Coal power plant

Coal power plant - requires enrichment

Coal tar

Coal tar - requires enrichment

Coat of plates

Coat of plates - requires enrichment

Cobalt

Cobalt - requires enrichment

Cobalt blue

Cobalt blue - requires enrichment

Cocaine

Cocaine - requires enrichment

Cochineal dye

Cochineal dye - requires enrichment

Cochlear implant

Cochlear implant - requires enrichment

Cockcroft–Walton generator

Cockcroft–Walton generator - requires enrichment

Cocoa powder

Cocoa powder - requires enrichment

Codex

Codex - requires enrichment

Coffee

Coffee - requires enrichment

Coffee filter

Coffee filter - requires enrichment

Coffee percolator

Coffee percolator - requires enrichment

Cog

Cog - requires enrichment

Coins

Coins - requires enrichment

Coke (fuel)

Coke (fuel) - requires enrichment

Collodion

Collodion - requires enrichment

Collodion wet-plate photography

Collodion wet-plate photography - requires enrichment

Color motion picture film

Color motion picture film - requires enrichment

Color photography

idea by Maxwell in 1855, first photo in 1861 by Sutton

Color television

Color television - requires enrichment

Colt revolver

Colt revolver - requires enrichment

Combination lock

Combination lock - requires enrichment

Combine harvester

Combine harvester - requires enrichment

Combined oral contraceptive pill

Combined oral contraceptive pill - requires enrichment

Commercial telegraphy

Commercial telegraphy - requires enrichment

Communications satellite

Communications satellite - requires enrichment

Commutated rotary electric motor

Commutated rotary electric motor - requires enrichment

Compact disc

Compact disc - requires enrichment

Compact fluorescent lamp

Compact fluorescent lamp - requires enrichment

Compass

Compass - requires enrichment

Complete garment knitting machine

Complete garment knitting machine - requires enrichment

Composite bow

Composite bow - requires enrichment

Compound bow

Compound bow - requires enrichment

Compound microscope

Compound microscope - requires enrichment

Comptometer

Comptometer - requires enrichment

Compton scattering

Compton scattering - requires enrichment

Computer mouse

Computer mouse - requires enrichment

Computer network

Computer network - requires enrichment

Computer program

First computer program: Note G, an algorithm for Bernoulli numbers written by Ada Lovelace as supplementary material for a paper on the Analytical Eng...

Computer-assisted instruction system

Computer-assisted instruction system - requires enrichment

Computer-generated imagery

Computer-generated imagery - requires enrichment

Concept of chemical element

Concept of chemical element - requires enrichment

Conching

Conching - requires enrichment

Concrete

Concrete - requires enrichment

Condensed milk

Condensed milk - requires enrichment

Condenser

Condenser - requires enrichment

Condenser microphone

Condenser microphone - requires enrichment

Conex box

Conex box - requires enrichment

Congreve rocket

Congreve rocket - requires enrichment

Construction mortar

Construction mortar - requires enrichment

Contact lens

Contact lens - requires enrichment

Contact process

Contact process - requires enrichment

Container ship

Container ship - requires enrichment

Continuous track snow vehicle

Continuous track snow vehicle - requires enrichment

Continuous track tractor

Continuous track tractor - requires enrichment

Continuous track vehicle

Continuous track vehicle - requires enrichment

Continuously recording camera

Continuously recording camera - requires enrichment

Control of fire

Fire didn't wait for a clever hominid to "discover" it. Fire waited for conditions that would make its control inevitable—and those conditions took mi...

Controlled-access highway

Controlled-access highway - requires enrichment

Convection oven

Convection oven - requires enrichment

Convolutional neural network

Convolutional neural network - requires enrichment

Convulsive therapy

Uses the drug metrazol to induce seizure; replaced by electroconvulsive therapy after 1938

Cooling tower

Cooling tower - requires enrichment

Copernican heliocentrism

Copernican heliocentrism - requires enrichment

Copper

Copper - requires enrichment

Copper pipes

Pyramid of Sahure in Egypt

Copper smelting

Copper smelting - requires enrichment

Copying lathe

Copying lathe - requires enrichment

Corbel arch

Corbel arch - requires enrichment

Corbel arch bridge

Corbel arch bridge - requires enrichment

Corliss steam engine

Corliss steam engine - requires enrichment

Corn tortilla

Corn tortilla - requires enrichment

Corneal contact lens

Corneal contact lens - requires enrichment

Cornu helicopter

first rotary wing aircraft to achieve free flight

Corridor

Corridor - requires enrichment

Corrugated fiberboard

Improved by Oliver Long in 1874 by having liner sheets on both sides of the corrugated part

Corrugated iron

Corrugated iron - requires enrichment

Cotton (New World)

Cotton (New World) - requires enrichment

Cotton (Old World)

Cotton (Old World) - requires enrichment

Cotton gin

Cotton gin - requires enrichment

Counterweight trebuchet

Counterweight trebuchet - requires enrichment

Crab claw sail

Crab claw sail - requires enrichment

Crane

Crane - requires enrichment

Crank

Crank - requires enrichment

Crank-slider mechanism

Crank-slider mechanism - requires enrichment

Cream of tartar

Cream of tartar - requires enrichment

Credit card

Credit card - requires enrichment

CRISPR gene editing

CRISPR gene editing - requires enrichment

Crochet

Crochet - requires enrichment

Crookes radiometer

Crookes radiometer - requires enrichment

Crookes tube

Crookes tube - requires enrichment

Crossbow (China)

Crossbow (China) - requires enrichment

Crossbow (Greece)

It's possible that crossbows spread from China to Europe, but there are differences in mechanism

Crucible

Crucible - requires enrichment

Crucible steel

Crucible steel - requires enrichment

Cruise control

Cruise control - requires enrichment

Cruise missile

Cruise missile - requires enrichment

Cryptocurrency

Cryptocurrency - requires enrichment

Crystal detector

Crystal detector - requires enrichment

Crystal oscillator

Crystal oscillator - requires enrichment

Crystal radio

Crystal radio - requires enrichment

Crystallized sugar

Crystallized sugar - requires enrichment

CT scan

CT scan - requires enrichment

Cultured meat

Cultured meat - requires enrichment

Cultured pearl

Cultured pearl - requires enrichment

Cupronickel

Cupronickel - requires enrichment

Curta calculator

Invented in Vienna in 1938, but delayed by WWII and first manufactured in Liechtenstein in 1948

Cyanoacrylate

Cyanoacrylate - requires enrichment

Cyclostyle

Cyclostyle - requires enrichment

Cyclotron

Cyclotron - requires enrichment

Cylinder seal

Cylinder seal - requires enrichment

Czochralski method

Czochralski method - requires enrichment

Daguerreotype

Daguerreotype - requires enrichment

Dandy horse

Dandy horse - requires enrichment

Daniell cell

First battery to be a practical source of electrical current

Data Encryption Standard

Data Encryption Standard - requires enrichment

Davy lamp

Davy lamp - requires enrichment

DDT

DDT - requires enrichment

DDT insecticide

DDT insecticide - requires enrichment

de Laval nozzle

de Laval nozzle - requires enrichment

De Rivaz engine

first internal combustion engine to power a land vehicle

Decaffeinated coffee

Decaffeinated coffee - requires enrichment

Deep ultraviolet lithography

Deep ultraviolet lithography - requires enrichment

Defibrillator

Defibrillator - requires enrichment

Dental braces

Dental braces - requires enrichment

Dental filling

Dental filling - requires enrichment

Dentures

Dentures - requires enrichment

Depth sounding

Depth sounding - requires enrichment

Destroyer

Destroyer - requires enrichment

Detent escapement

Detent escapement - requires enrichment

Deuterium

Deuterium - requires enrichment

Dhow

Dhow - requires enrichment

Diamond anvil cell

Diamond anvil cell - requires enrichment

Dichroic glass

data for the Lycurgus cup, the earliest known item made of dichroic glass

Dictionary

Dictionary - requires enrichment

Didymium

Didymium - requires enrichment

Diesel engine

Diesel engine - requires enrichment

Diesel locomotive

Diesel locomotive - requires enrichment

Diesel power shovel

Diesel power shovel - requires enrichment

Difference engine

Difference engine - requires enrichment

Differential gear

Differential gear - requires enrichment

Diffusion pump

Diffusion pump - requires enrichment

Digging stick

Digging stick - requires enrichment

Digital audio player

Digital audio player - requires enrichment

Digital camera

Digital camera - requires enrichment

Digital cellular network

Digital cellular network - requires enrichment

Digital currency

Digital currency - requires enrichment

Digital electronic watch

Digital electronic watch - requires enrichment

Digital programmable computer

Digital programmable computer - requires enrichment

Digital video recorder

Digital video recorder - requires enrichment

Dilution refrigerator

Dilution refrigerator - requires enrichment

Dioptra

Dioptra - requires enrichment

Directed evolution

Directed evolution - requires enrichment

Dirigible

Dirigible - requires enrichment

Disappearing-filament pyrometer

Disappearing-filament pyrometer - requires enrichment

Discovery of Neptune

Discovery of Neptune - requires enrichment

Discovery of Uranus

Discovery of Uranus - requires enrichment

Discovery of viruses

Discovery of viruses - requires enrichment

Discrete cosine transform

Discrete cosine transform - requires enrichment

Dishwasher

Dishwasher - requires enrichment

Dissolving views

Dissolving views - requires enrichment

Distillation

Distillation - requires enrichment

Divinatory compass

Divinatory compass - requires enrichment

Diving bell

Diving bell - requires enrichment

Diving helmet

Diving helmet - requires enrichment

Diving machine

Diving machine - requires enrichment

Diving regulator

Diving regulator - requires enrichment

DNA as the carrier of information

DNA as the carrier of information - requires enrichment

DNA ligase

DNA ligase - requires enrichment

DNA polymerase

DNA polymerase - requires enrichment

DNA profiling

DNA profiling - requires enrichment

DNA sequencer

DNA sequencer - requires enrichment

DNA sequencing

Sanger sequencing and Maxam-Gilbert sequencing were developed independently approximately in the same year (1977). They use different techniques. Sang...

Döbereiner's lamp

one of the first lighters

Dock

Dock - requires enrichment

Dog sled

Dog sled - requires enrichment

Dolby noise-reduction system

Dolby noise-reduction system - requires enrichment

Domain Name System

Domain Name System - requires enrichment

Domestic refrigerator

Domestic refrigerator - requires enrichment

Domestication of barley

Domestication of barley - requires enrichment

Domestication of bees

Domestication of bees - requires enrichment

Domestication of cacao trees

Domestication of cacao trees - requires enrichment

Domestication of cattle

Domestication of cattle - requires enrichment

Domestication of chickens

Domestication of chickens - requires enrichment

Domestication of citrus fruit

Domestication of citrus fruit - requires enrichment

Domestication of coconuts

Domestication of coconuts - requires enrichment

Domestication of cucumbers

Domestication of cucumbers - requires enrichment

Domestication of flax

Domestication of flax - requires enrichment

Domestication of goats

Domestication of goats - requires enrichment

Domestication of llamas and alpacas

Domestication of llamas and alpacas - requires enrichment

Domestication of maize

Domestication of maize - requires enrichment

Domestication of millet

Domestication of millet - requires enrichment

Domestication of pigeons

Domestication of pigeons - requires enrichment

Domestication of pigs (China)

Domestication of pigs (China) - requires enrichment

Domestication of pigs (Near East)

Domestication of pigs (Near East) - requires enrichment

Domestication of potatoes

Domestication of potatoes - requires enrichment

Domestication of rice

Domestication of rice - requires enrichment

Domestication of sheep

Domestication of sheep - requires enrichment

Domestication of soybeans

Domestication of soybeans - requires enrichment

Domestication of sugarcane

Domestication of sugarcane - requires enrichment

Domestication of the camel

Domestication of the camel - requires enrichment

Domestication of the dog

Domestication of the dog - requires enrichment

Domestication of the donkey

Domestication of the donkey - requires enrichment

Domestication of the horse

Domestication of the horse - requires enrichment

Domestication of vanilla

Domestication of vanilla - requires enrichment

Domestication of wheat

Domestication of wheat - requires enrichment

Double bass

Double bass - requires enrichment

Double-acting pin tumbler lock

earliest patent for a pin tumbler lock

Double-action piston bellows

Double-action piston bellows - requires enrichment

Double-edge safety razor

Double-edge safety razor - requires enrichment

Double-slit experiment

Double-slit experiment - requires enrichment

Dragline excavator

Dragline excavator - requires enrichment

Drawloom

Drawloom - requires enrichment

Drink can

Drink can - requires enrichment

Drone

Drone - requires enrichment

Drum

First artificial drums found date from Neolithic China

Drum (container)

Drum (container) - requires enrichment

Dry cell

first dry cell (battery with no liquid). Other versions independently invented by Sakizō Yai in Japan and Wilhelm Hellesen in Denmark

Dry compass

Dry compass - requires enrichment

Dry dock

Dry dock - requires enrichment

Dry latrines

Dry latrines - requires enrichment

Dry photographic plate

Dry photographic plate - requires enrichment

Drywall

Drywall - requires enrichment

Duct tape

Duct tape - requires enrichment

Dulcian

Dulcian - requires enrichment

Dumaresq

Dumaresq - requires enrichment

Dutch process cocoa

Dutch process cocoa - requires enrichment

DVD

DVD - requires enrichment

Dye-sensitized solar cell

Dye-sensitized solar cell - requires enrichment

Dynamic random-access memory

Dynamic random-access memory - requires enrichment

Dynamite

Dynamite - requires enrichment

Dynamo

Dynamo - requires enrichment

Dynamo self-excitation

Dynamo self-excitation - requires enrichment

E-reader

E-reader - requires enrichment

Ear trumpet

Ear trumpet - requires enrichment

Earth oven

Earth oven - requires enrichment

Earth's circumference

Earth's circumference - requires enrichment

Ebonite

Ebonite - requires enrichment

EEPROM

EEPROM - requires enrichment

Egyptian blue

First synthetic pigment

Egyptian faience

Unrelated to the other material called "faience"

Egyptian wooden pin tumbler lock

Egyptian wooden pin tumbler lock - requires enrichment

Ejector seat

Ejector seat - requires enrichment

Electret microphone

Most common type of microphone today

Electric arc

independently by Davy (1800, short) and Petrov (1802, long continuous arcs)

Electric arc furnace

Electric arc furnace - requires enrichment

Electric arc steel furnace

Electric arc steel furnace - requires enrichment

Electric car

first human-carrying electric automobile (there were precursor electrically powered vehicles, but they were small prototypes)

Electric chainsaw

Electric chainsaw - requires enrichment

Electric chair

Electric chair - requires enrichment

Electric clock

Electric clock - requires enrichment

Electric drip coffee maker

Electric drip coffee maker - requires enrichment

Electric generator

Electric generator - requires enrichment

Electric guitar

Electric guitar - requires enrichment

Electric hearing aid

Electric hearing aid - requires enrichment

Electric locomotive

Electric locomotive - requires enrichment

Electric motor

Electric motor - requires enrichment

Electric organ

Electric organ - requires enrichment

Electric pen

Electric pen - requires enrichment

Electric shaver

Electric shaver - requires enrichment

Electric stove

Electric stove - requires enrichment

Electric telegraph

first electric telegraph on considerable distance

Electric toaster

Electric toaster - requires enrichment

Electric toothbrush

Electric toothbrush - requires enrichment

Electric traffic light

Electric traffic light - requires enrichment

Electric tram

The picture shows the Gross-Lichterfelde tram in Berlin in 1882, the first commercially successful line

Electric-powered submarine

Electric-powered submarine - requires enrichment

Electrical tape

Electrical tape - requires enrichment

Electrocardiography machine

Electrocardiography machine - requires enrichment

Electroconvulsive therapy

Electroconvulsive therapy - requires enrichment

Electroencephalography

Electroencephalography - requires enrichment

Electroluminescence

Electroluminescence - requires enrichment

Electrolysis

Electrolysis - requires enrichment

Electrolysis of water

Electrolysis of water - requires enrichment

Electrolytic detector

Electrolytic detector - requires enrichment

Electromagnet

Electromagnet - requires enrichment

Electromagnetic catapult

Electromagnetic catapult - requires enrichment

Electromagnetic induction

independently discovered by Michael Faraday in 1831 and Joseph Henry in 1832

Electromechanical programmable computer

The Z1: first freely programmable computer in the world

Electromechanical relay

Electromechanical relay - requires enrichment

Electron

Electron - requires enrichment

Electron microscope

Electron microscope - requires enrichment

Electronic calculator

Electronic calculator - requires enrichment

Electronic cigarette

Electronic cigarette - requires enrichment

Electronic digital computer

Electronic digital computer - requires enrichment

Electronic general purpose computer

ENIAC: first programmable, electronic, general-purpose digital computer

Electronic paper

Electronic paper - requires enrichment

Electronic television

Electronic television - requires enrichment

Electrostatic generator

Electrostatic generator - requires enrichment

Electrotachyscope

Electrotachyscope - requires enrichment

Electrotherapy

Electrotherapy - requires enrichment

Electrotyping

Electrotyping - requires enrichment

Electrum

Electrum - requires enrichment

Elephant clock

Elephant clock - requires enrichment

Elevator

Elevator - requires enrichment

Email

Email - requires enrichment

Embroidery

Embroidery - requires enrichment

Endless chain drive

Endless chain drive - requires enrichment

Enigma machine

Enigma machine - requires enrichment

Epinephrine (medication)

Epinephrine (medication) - requires enrichment

Epinephrine autoinjector

Epinephrine autoinjector - requires enrichment

Epoxy resin

Simultaneous and independent developments by Schlack and Castan in Germany and Switzerland

EPROM

EPROM - requires enrichment

Eraser

Eraser - requires enrichment

Eruptor

Intermediate form between fire lances and cannons, when fire lances began being made of metal and put on frames

Escalator

Escalator - requires enrichment

Espresso machine

Espresso machine - requires enrichment

Ethanol (isolation)

Ethanol (isolation) - requires enrichment

Ether

Ether - requires enrichment

Excimer laser

Excimer laser - requires enrichment

Exoskeleton

Exoskeleton - requires enrichment

External DC defibrillator

External DC defibrillator - requires enrichment

External pacemaker

External pacemaker - requires enrichment

Extreme ultraviolet lithography

Extreme ultraviolet lithography - requires enrichment

Eyeglasses

Eyeglasses - requires enrichment

Facial recognition system

Facial recognition system - requires enrichment

Fahrenheit scale

Fahrenheit scale - requires enrichment

Fast potter's wheel

various possible origins: Sumer, southeast Europe, China, Indus Valley civilizaton

Fax machine

Fax machine - requires enrichment

Ferris wheel

Ferris wheel - requires enrichment

Ferrocement

Ferrocement - requires enrichment

Ferrofluid

Ferrofluid - requires enrichment

Fiberglass

Fiberglass - requires enrichment

Field-effect transistor (concept)

Field-effect transistor (concept) - requires enrichment

Field-programmable gate array

Field-programmable gate array - requires enrichment

Fierce-fire oil cabinet

Double-piston pump naphtha flamethrower; Chinese version of Greek fire, plausibly acquired indirectly (through Arabia) from the West

Fighter aircraft

Fighter aircraft - requires enrichment

Finery forge

Finery forge - requires enrichment

Fire arrow

Fire arrow - requires enrichment

Fire engine

Fire engine - requires enrichment

Fire extinguisher

Fire extinguisher - requires enrichment

Fire hydrant

Fire hydrant - requires enrichment

Fire lance

Fire lance - requires enrichment

Fire piston

Fire piston - requires enrichment

Fire-control system

Fire-control system - requires enrichment

Fired bricks

invented in both China and Mesopotamia, details unclear

Firefighting foam

Firefighting foam - requires enrichment

Fireworks

Fireworks - requires enrichment

Fischer–Tropsch process

Fischer–Tropsch process - requires enrichment

Fish hook

Fish hook - requires enrichment

Fishing net

Fishing net - requires enrichment

Fishing reel

Fishing reel - requires enrichment

Flash memory

Flash memory - requires enrichment

Flash powder

Flash powder - requires enrichment

Flashlight

Flashlight - requires enrichment

Flexography

Flexography - requires enrichment

Flintlock musket

Flintlock musket - requires enrichment

Float glass

Inventor and company have the same name by coincidence

Floating dry dock

Floating dry dock - requires enrichment

Floating-gate MOSFET

Floating-gate MOSFET - requires enrichment

Floating-point arithmetic

Floating-point arithmetic - requires enrichment

Floppy disc

Floppy disc - requires enrichment

Fluid catalytic cracking

Fluid catalytic cracking - requires enrichment

Fluked anchor

Fluked anchor - requires enrichment

Fluorescent lamp

Fluorescent lamp - requires enrichment

Fluorine (isolation)

Fluorine (isolation) - requires enrichment

Flush toilet

Flush toilet - requires enrichment

Flute

Flute - requires enrichment

Flux qubit

Flux qubit - requires enrichment

Fluyt

Fluyt - requires enrichment

Flying bomb

Flying bomb - requires enrichment

Flying cash

Precursor to true banknotes during Tang dynasty

Flying shuttle

Flying shuttle - requires enrichment

FM radio

FM radio - requires enrichment

Foam extinguisher

Foam extinguisher - requires enrichment

Focal plane tomography

Focal plane tomography - requires enrichment

Fountain

Fountain - requires enrichment

Fountain pen

Fountain pen - requires enrichment

Four-stroke engine

Four-stroke engine - requires enrichment

Fourdrinier machine

Improvement of the paper machine by Robert

Fourneyron turbine

Fourneyron turbine - requires enrichment

Fracking

Fracking - requires enrichment

Fractional distillation

Fractional distillation - requires enrichment

Fragmentation bomb

Fragmentation bomb - requires enrichment

Francis turbine

Francis turbine - requires enrichment

Franklin stove

Franklin stove - requires enrichment

Frequency analysis

Frequency analysis - requires enrichment

Friction match

Friction match - requires enrichment

Frigate

Frigate - requires enrichment

Frog pregnancy test

Frog pregnancy test - requires enrichment

Froth flotation

Froth flotation - requires enrichment

Fuel cell

Fuel cell - requires enrichment

Fuel pump

Fuel pump - requires enrichment

Full plate armour

Full plate armour - requires enrichment

Fulling mill

Fulling mill - requires enrichment

Fully mechanical clock

Fully mechanical clock - requires enrichment

Fulminate-based firearm

Fulminate-based firearm - requires enrichment

Fulminates

Fulminates - requires enrichment

Functional magnetic resonance imaging

Functional magnetic resonance imaging - requires enrichment

Functional programming language

Functional programming language - requires enrichment

Fused filament fabrication

Fused filament fabrication - requires enrichment

Galilean moons

Galilean moons - requires enrichment

Galleon

Galleon - requires enrichment

Galley

Galley - requires enrichment

Gallium

Gallium - requires enrichment

Gallium arsenide

Gallium arsenide - requires enrichment

Gallium nitride

Gallium nitride - requires enrichment

Galvanism

Galvanism - requires enrichment

Galvanometer

Galvanometer - requires enrichment

Gas centrifuge

Gas centrifuge - requires enrichment

Gas mantle

Gas mantle - requires enrichment

Gas mask

Gas mask - requires enrichment

Gas stove

Gas stove - requires enrichment

Gas turbine

Gas turbine - requires enrichment

Gaseous diffusion

Technique for uranium enrichment

Gasoline as fuel

Gasoline as fuel - requires enrichment

Gatling gun

Gatling gun - requires enrichment

Gears

Gears - requires enrichment

Geiger counter

Geiger counter - requires enrichment

Geissler tube

Geissler tube - requires enrichment

Gelignite

Gelignite - requires enrichment

Genaille–Lucas rulers

Genaille–Lucas rulers - requires enrichment

Gene therapy

Gene therapy - requires enrichment

General anesthesia

General anesthesia - requires enrichment

General relativity

General relativity - requires enrichment

General-purpose computing on GPU

General-purpose computing on GPU - requires enrichment

Generative adversarial network

Generative adversarial network - requires enrichment

Genetic code

Genetic code - requires enrichment

Genetically modified animal

Genetically modified animal - requires enrichment

Genetically modified food

Genetically modified food - requires enrichment

Genetically modified organism

Genetically modified organism - requires enrichment

Genetically modified plant

Genetically modified plant - requires enrichment

Geographic information system

Geographic information system - requires enrichment

Geordie lamp

Geordie lamp - requires enrichment

Geothermal power

Geothermal power - requires enrichment

Geothermal power plant

Geothermal power plant - requires enrichment

Germanium

Germanium - requires enrichment

Gilchrist–Thomas process

Gilchrist–Thomas process - requires enrichment

Gimbal

Philo described it and the invention is sometimes attributed to him

Gittern

Gittern - requires enrichment

Glass

Glass - requires enrichment

Glass blowing

Glass blowing - requires enrichment

Glass mirror

Glass mirror - requires enrichment

Glass-ceramic

Glass-ceramic - requires enrichment

Glider

Scientific principles for heavier-than-air, man-carrying gliders were first published in 1799 by Cayley

Globe

Globe - requires enrichment

GLP-1 receptor agonist

GLP-1 receptor agonist - requires enrichment

Glucose (isolation)

Glucose (isolation) - requires enrichment

Glucose meter

First biosensor of any kind

Glue

Glue - requires enrichment

Glutamic acid

Glutamic acid - requires enrichment

Glyphosate

Glyphosate - requires enrichment

Gold

Gold - requires enrichment

Gold cyanidation

Gold cyanidation - requires enrichment

Golden rice

Golden rice - requires enrichment

Golgi's method

Golgi's method - requires enrichment

Goniometer

Goniometer - requires enrichment

GPU

GPU - requires enrichment

Grafting

Grafting - requires enrichment

Grain cradle

Grain cradle - requires enrichment

Grain elevator

Grain elevator - requires enrichment

Graphene

Graphene - requires enrichment

Graphical user interface

Graphical user interface - requires enrichment

Graphite

Graphite - requires enrichment

Graphite pencil

Graphite pencil - requires enrichment

Graphophone

Graphophone - requires enrichment

Greek fire

Greek fire - requires enrichment

Green fluorescent protein

Green fluorescent protein - requires enrichment

Green fluorescent protein imaging

Green fluorescent protein imaging - requires enrichment

Greenhouse

Greenhouse - requires enrichment

Greenhouse effect

Greenhouse effect - requires enrichment

Gregorian calendar

Gregorian calendar - requires enrichment

Grenade

Grenade - requires enrichment

Gristmill

Gristmill - requires enrichment

Ground stone

Ground stone - requires enrichment

Guncotton

Guncotton - requires enrichment

Gunpowder

Gunpowder emerged from a search for immortality. The Taoist alchemists of Tang dynasty China sought elixirs that would grant eternal life—and in their...

Gunpowder piston engine

Gunpowder piston engine - requires enrichment

Gutta-percha (modern use)

Gutta-percha (modern use) - requires enrichment

Gyro gunsight

Gyro gunsight - requires enrichment

Gyrocompass

Gyrocompass - requires enrichment

Gyroscope

Gyroscope - requires enrichment

Haber process

Haber process - requires enrichment

Hafted axe

Hafted axe - requires enrichment

Hafted spear

Hafted spear - requires enrichment

Hafting

Hafting - requires enrichment

Hair dryer

Hair dryer - requires enrichment

Half-track

Half-track - requires enrichment

Hall–Héroult process

Hall–Héroult process - requires enrichment

Halogen lamp

Halogen lamp - requires enrichment

Hampson–Linde air liquefaction

gas liquefaction / air separation. Independently invented in the same year by Linde and Hampson

Han purple and Han blue

Han purple and Han blue - requires enrichment

Hand plane

Hand plane - requires enrichment

Hand-drawn animated film

Hand-drawn animated film - requires enrichment

Handheld electronic game

Handheld electronic game - requires enrichment

Handheld film camera

Handheld film camera - requires enrichment

Handheld game console

Handheld game console - requires enrichment

Handheld hair dryer

Handheld hair dryer - requires enrichment

Hang

Hang - requires enrichment

Hard disk drive

Hard disk drive - requires enrichment

Hardware security module

Hardware security module - requires enrichment

Harmonica

Harmonica - requires enrichment

Harp

Harp - requires enrichment

Harpoon

Harpoon - requires enrichment

Harpoon cannon

Harpoon cannon - requires enrichment

Harpsichord

Harpsichord - requires enrichment

Head-mounted display

The first head-mounted display is often called "The Sword of Damocles", but this was a joke name.

Heat pump

Heat pump - requires enrichment

Heated greenhouse

Heated greenhouse - requires enrichment

Heavy arquebus

Heavy arquebus - requires enrichment

Hectograph

Hectograph - requires enrichment

Helical scan

Helical scan - requires enrichment

Helicopter

the Focke-Wulf Fw 61 was the first practical helicopter

Helicopter drone

Helicopter drone - requires enrichment

Heliograph

Heliograph - requires enrichment

Heliography

Heliography - requires enrichment

Heliotrope

Heliotrope - requires enrichment

Helium (discovery)

Lockyer and Janssen are generally jointly credited with the discovery, though it can be argued that Janssen doesn't deserve the credit.

Helium (isolation)

independently isolated in the UK and in Sweden during the same year

Helium-3

Helium-3 - requires enrichment

Herbicide-resistant GMO

Herbicide-resistant GMO - requires enrichment

Heterodyne

Heterodyne - requires enrichment

Hidden Markov model

Hidden Markov model - requires enrichment

Higgs boson

Higgs boson - requires enrichment

High-electron-mobility transistor

High-electron-mobility transistor - requires enrichment

High-level programming language

High-level programming language - requires enrichment

High-pressure sodium-vapor lamp

High-pressure sodium-vapor lamp - requires enrichment

High-pressure steam engine

High-pressure steam engine - requires enrichment

High-speed maglev

High-speed maglev - requires enrichment

High-speed rail

High-speed rail - requires enrichment

High-speed steam engine

High-speed steam engine - requires enrichment

High-speed steel

High-speed steel - requires enrichment

High-temperature superconductor

High-temperature superconductor - requires enrichment

High-vacuum tube

High-vacuum tube - requires enrichment

Hipposandal

Hipposandal - requires enrichment

Hoe

Hoe - requires enrichment

Holography

Holography - requires enrichment

Home computer

Home computer - requires enrichment

Home pregnancy test

Home pregnancy test - requires enrichment

Hook-and-loop fastener

Hook-and-loop fastener - requires enrichment

Horizontal pendulum seismograph

Horizontal pendulum seismograph - requires enrichment

Horse collar

Horse collar - requires enrichment

Horse-drawn seed drill

Horse-drawn seed drill - requires enrichment

Horse-drawn tram

Horse-drawn tram - requires enrichment

Horsepower

Horsepower - requires enrichment

Hot blast

Hot blast - requires enrichment

Hot metal typesetting

Hot metal typesetting - requires enrichment

Hot-dip galvanization

Hot-dip galvanization - requires enrichment

Hourglass

Hourglass - requires enrichment

Hovercraft

Hovercraft - requires enrichment

Human genome sequencing

Human genome sequencing - requires enrichment

Human in vitro fertilisation

Human in vitro fertilisation - requires enrichment

Hunter process

Hunter process - requires enrichment

Hurdy-gurdy

Hurdy-gurdy - requires enrichment

Hwacha

Hwacha - requires enrichment

Hybrid electric car

Hybrid electric car - requires enrichment

Hybrid integrated circuit

Hybrid integrated circuit - requires enrichment

Hydraulic accumulator

Hydraulic accumulator - requires enrichment

Hydraulic excavator

Hydraulic excavator - requires enrichment

Hydraulic mining

Hydraulic mining - requires enrichment

Hydraulic power network

Hydraulic power network - requires enrichment

Hydraulic press

Hydraulic press - requires enrichment

Hydraulic telegraph

Hydraulic telegraph - requires enrichment

Hydrochloric acid

Hydrochloric acid - requires enrichment

Hydroelectric power plant

Hydroelectric power plant - requires enrichment

Hydroelectricity

Hydroelectricity - requires enrichment

Hydrogen

Hydrogen - requires enrichment

Hydrogen balloon

The first manned flight was also completed by the same inventors later that year

Hydrogen bomb

Hydrogen bomb - requires enrichment

Hydrogen peroxide

Hydrogen peroxide - requires enrichment

Hygrometer

There was controversy with Deluc, also of Geneva, who invented a whalebone hygrometer perhaps a few years before.

Hypermedia

Hypermedia - requires enrichment

Hypertext Transfer Protocol

Hypertext Transfer Protocol - requires enrichment

Hypocaust

Hypocaust - requires enrichment

Hypodermic needle

Hypodermic needle - requires enrichment

I-beam

I-beam - requires enrichment

Ibuprofen

Ibuprofen - requires enrichment

Ice-making machine

Ice-making machine - requires enrichment

Iceland spar

Iceland spar - requires enrichment

Ignition magneto

Ignition magneto - requires enrichment

Implantable cardioverter-defibrillator

Implantable cardioverter-defibrillator - requires enrichment

Implantable pacemaker

Implantable pacemaker - requires enrichment

Impulse generator

Impulse generator - requires enrichment

In vitro fertilisation

In vitro fertilisation - requires enrichment

In-ovo sexing

In-ovo sexing - requires enrichment

Incense

Incense - requires enrichment

Incense clock

Incense clock - requires enrichment

Indigo dye

Indigo dye - requires enrichment

Indium

Indium - requires enrichment

Induced pluripotent stem cell

Induced pluripotent stem cell - requires enrichment

Induced radioactivity

Induced radioactivity - requires enrichment

Induction coil

Independently invented by Callan and Page

Induction motor

Induction motor - requires enrichment

Industrial porcelain enamel

Industrial porcelain enamel - requires enrichment

Influence machine

Influence machine - requires enrichment

Information theory

Information theory - requires enrichment

Infrared LED

Infrared LED - requires enrichment

Injection molding

Injection molding - requires enrichment

Ink

Ink - requires enrichment

Inkjet printing

Inkjet printing - requires enrichment

Instant film

Instant film - requires enrichment

Instant noodles

Instant noodles - requires enrichment

Insulated-gate bipolar transistor

Insulated-gate bipolar transistor - requires enrichment

Insulin

Insulin - requires enrichment

Insulin pump

Insulin pump - requires enrichment

Integrated cartridge

Integrated cartridge - requires enrichment

Integrated circuit computer

Integrated circuit computer - requires enrichment

Intercontinental ballistic missile

R-7 Semyorka was both a military missile and a rocket that led to the development of the Vostok rockets, which launched Sputnik and the Vostok capsule...

Intermodal container

Intermodal container - requires enrichment

Internal combustion engine

Internal combustion engine - requires enrichment

International system of units

International system of units - requires enrichment

Internet forum

Internet forum - requires enrichment

Internet protocol suite

Internet protocol suite - requires enrichment

Interstellar probe

Interstellar probe - requires enrichment

Iodine

Iodine - requires enrichment

Iron

Iron - requires enrichment

Iron lung

Iron lung - requires enrichment

Iron smelting and wrought iron

Iron smelting and wrought iron - requires enrichment

Iron-framed building

Iron-framed building - requires enrichment

Ironclad

Ironclad - requires enrichment

Irrigation

Irrigation - requires enrichment

Isotopes

Isotopes - requires enrichment

Ivory carving

Ivory carving - requires enrichment

Jacob's staff

Jacob's staff - requires enrichment

Jacquard loom

Jacquard loom - requires enrichment

Janssen photographic revolver

Janssen photographic revolver - requires enrichment

Jesuit's bark

Jesuit's bark - requires enrichment

Jet aircraft

Jet aircraft - requires enrichment

Jet airliner

Jet airliner - requires enrichment

Jew's harp

Jew's harp - requires enrichment

JFET

JFET - requires enrichment

Josephson junction

Josephson junction - requires enrichment

Joule heating

Joule heating - requires enrichment

Joule–Thomson effect

Joule–Thomson effect - requires enrichment

Junk rig

Not Chinese in origin, although typically associated with Chinese junks

K'un-lun po

K'un-lun po - requires enrichment

Kaplan turbine

Kaplan turbine - requires enrichment

Keel

Keel - requires enrichment

Kelvin scale and absolute zero

Kelvin scale and absolute zero - requires enrichment

Kelvin water dropper

Kelvin water dropper - requires enrichment

Kelvite sounding machine

Kelvite sounding machine - requires enrichment

Kepler's laws of planetary motion

Kepler's laws of planetary motion - requires enrichment

Keplerian refracting telescope

Keplerian refracting telescope - requires enrichment

Kermes dye

Kermes dye - requires enrichment

Kerosene

Kerosene - requires enrichment

Kerosene lamp

Kerosene lamp - requires enrichment

Ketamine

Ketamine - requires enrichment

Kevlar

Kevlar - requires enrichment

Kiln

Kiln - requires enrichment

Kinetophone

Kinetophone - requires enrichment

Kinetoscope

Kinetoscope - requires enrichment

Kite

Kite - requires enrichment

Kite experiment

Kite experiment - requires enrichment

Kithara

Kithara - requires enrichment

Knitting

Knitting - requires enrichment

Kraft paper process

Kraft paper process - requires enrichment

Kroll process

The Kroll process made pure titanium economical, leading to many applications starting in the 1950s.

Krypton

Krypton - requires enrichment

Lacquer

Lacquer - requires enrichment

Lambda calculus

Lambda calculus - requires enrichment

Lamellar armour

Lamellar armour - requires enrichment

Laminated glass

Laminated glass - requires enrichment

Lancashire loom

Lancashire loom - requires enrichment

Land mine

Land mine - requires enrichment

Lap steel guitar

Lap steel guitar - requires enrichment

Laptop computer

First true laptop: the Epson HX-20

Large language model

Large language model - requires enrichment

Laser

Laser - requires enrichment

Laser cutting

Laser cutting - requires enrichment

Laser printer

Laser printer - requires enrichment

LaserDisc

LaserDisc - requires enrichment

Lashed-lug boat building

Lashed-lug boat building - requires enrichment

LASIK

LASIK - requires enrichment

Lateen and settee sail

Lateen and settee sail - requires enrichment

Lathe

Lathe - requires enrichment

Latitude and longitude

Latitude and longitude - requires enrichment

Laudanum

Paracelsus popularized opium in Europe and coined the word laudanum, but his opium pill differed significantly from Sydenham's tincture of opium in th...

Lawn mower

Lawn mower - requires enrichment

Lead chamber process

Lead chamber process - requires enrichment

Lead pipes

Lead pipes - requires enrichment

Lead smelting

Lead smelting - requires enrichment

Leaded gasoline

Leaded gasoline - requires enrichment

Leavened bread

Leavened bread - requires enrichment

Leavers machine

Leavers machine - requires enrichment

Leclanché cell

Leclanché cell - requires enrichment

LED display

LED display - requires enrichment

LED lamp

LED lamp - requires enrichment

Leibniz wheel

Leibniz wheel - requires enrichment

Lever escapement

Escapement used in almost all modern mechanical watches

Lever tumbler lock

Lever tumbler lock - requires enrichment

Leyden jar

Leyden jar - requires enrichment

Lidar

Lidar - requires enrichment

Light bulb

This date corresponds to commercially successful light bulbs, but there were many earlier attempts. Independently invented by Swan and Edison

Light-emitting diode

Light-emitting diode - requires enrichment

Lighthouse

Lighthouse - requires enrichment

Lightning rod

Lightning rod - requires enrichment

Lime

Lime - requires enrichment

Lime mortar

Lime mortar - requires enrichment

Limelight

Limelight - requires enrichment

Line printer

Line printer - requires enrichment

Linear motor

Linear motor - requires enrichment

Linen

Linen - requires enrichment

Liquefied gas refrigerants

Linde's "new process made possible using gases such as ammonia, sulfur dioxide (SO2) and methyl chloride (CH3Cl) as refrigerants and they were widely...

Liquid compass

Liquid compass - requires enrichment

Liquid crystals

Discovered by Reinitzer in Prague, with input from Lehman (who coined the name)

Liquid nitrogen

Liquid nitrogen - requires enrichment

Liquid oxygen

Independently obtained by Louis Paul Cailletet in France and Raoul Pictet in Switzerland. Zygmunt Wróblewski and Karol Olszewski made more significant...

Liquid-crystal display

Liquid-crystal display - requires enrichment

Liquid-propellant rocket

Liquid-propellant rocket - requires enrichment

Lira da braccio

Lira da braccio - requires enrichment

Lithium

Lithium - requires enrichment

Lithium battery pacemaker

Lithium battery pacemaker - requires enrichment

Lithium iodide battery

Lithium iodide battery - requires enrichment

Lithium-ion battery

modern Li-ion battery. There were earlier ones (see lithium battery pacemakers in the 1970s)

Lithium-ion electric car

Lithium-ion electric car - requires enrichment

Lithography

Lithography - requires enrichment

LLM chatbot

LLM chatbot - requires enrichment

Logarithm

Logarithm - requires enrichment

Long division

Long division - requires enrichment

Long short-term memory

Long short-term memory - requires enrichment

Loom with punched tape

Loom with punched tape - requires enrichment

Lost-wax casting

oldest lost wax objects in Bulgaria; other early examples in Israel and Indus Valley

Low-pressure sodium-vapor lamp

Low-pressure sodium-vapor lamp - requires enrichment

LSD

LSD - requires enrichment

LTE and 4G cellular network

The definition of 4G was retroactively amended to include LTE, making 2009 the date of its first commercialization

Lumière cinematograph

the Lumière brothers bought the rights to the name and patent and then applied them to what was mostly their own invention

Lunar and lunisolar calendars

Lunar and lunisolar calendars - requires enrichment

Lunar lander

Lunar lander - requires enrichment

Lute

Lute - requires enrichment

Lyocell

Lyocell - requires enrichment

Lyre

Lyre - requires enrichment

Macuahuitl

Macuahuitl - requires enrichment

Magdeburg hemispheres

Experiment used to demonstrate the power of atmospheric pressure.

Magic lantern

Magic lantern - requires enrichment

Maglev

Maglev - requires enrichment

Magnesium

First isolation of the element

Magnetic detector

Developed on a ship between the UK and North America

Magnetic resonance imaging

Magnetic resonance imaging - requires enrichment

Magnetic tape

Magnetic tape - requires enrichment

Magnetism of the Earth

Magnetism of the Earth - requires enrichment

Magnetometer

Magnetometer - requires enrichment

Magnifying glass

speculative: the Nimrud lens may have been a magnifying glass, or just a decorative item. There are clear references to magnifying glasses in Aristoph...

Mainspring

Mainspring - requires enrichment

Malaria vaccine

Malaria vaccine - requires enrichment

Mammal cloning

Mammal cloning - requires enrichment

Mangalloy

First commercially successful alloy steel

Manganese

Manganese - requires enrichment

Manned hot air balloon

Manned hot air balloon - requires enrichment

Manual vacuum cleaner

Manual vacuum cleaner - requires enrichment

Maple syrup

Maple syrup - requires enrichment

Margarine

Margarine - requires enrichment

Marimba

Marimba - requires enrichment

Marimbaphone

Marimbaphone - requires enrichment

Marine chronometer

Marine chronometer - requires enrichment

Mariner's astrolabe

Mariner's astrolabe - requires enrichment

Maritime flag signalling

Maritime flag signalling - requires enrichment

Markov chain

Markov chain - requires enrichment

Mars rover

Mars rover - requires enrichment

Maser

Maser - requires enrichment

Masking tape

Masking tape - requires enrichment

Mass spectrometer

Mass spectrometer - requires enrichment

Massive parallel sequencing

Massive parallel sequencing - requires enrichment

Maxwell's equations

work done over many years, especially at Glenlair House in Scotland, and published in full form in 1873 when Maxwell was professor at Cambridge

Maya blue

Maya blue - requires enrichment

Maya numerals and zero

Maya numerals and zero - requires enrichment

Measles vaccine

Measles vaccine - requires enrichment

Measuring rod

Measuring rod - requires enrichment

Mechanical calculator

Mechanical calculator - requires enrichment

Mechanical television

Mechanical television - requires enrichment

Mechanical wood pulping

Invented independently in the same year by Keller in Saxony and Fenerty in Nova Scotia. Fenerty's version was immediately adapted into newsprint.

Mechanized submarine

Mechanized submarine - requires enrichment

Media streaming

Media streaming - requires enrichment

Medical respirator

Medical respirator - requires enrichment

Mellotron

Mellotron - requires enrichment

Mendelian inheritance

forgotten then rediscovered in 1900

Meniscus lens

Meniscus lens - requires enrichment

Mercator projection

Mercator projection - requires enrichment

Mercury

Mercury - requires enrichment

Mercury battery

Mercury battery - requires enrichment

Mercury thermometer

Mercury thermometer - requires enrichment

Mercury-arc valve

Mercury-arc valve - requires enrichment

Mercury-vapor lamp

Mercury-vapor lamp - requires enrichment

Merge sort

Merge sort - requires enrichment

Mesoamerican calendars

Mesoamerican calendars - requires enrichment

Messenger RNA

Discovery credit is usually considered shared among several people

Metal-cased rocket artillery

Metal-cased rocket artillery - requires enrichment

Metal-halide lamp

Metal-halide lamp - requires enrichment

Metallic nib

Metallic nib - requires enrichment

Metalorganic vapour-phase epitaxy

Metalorganic vapour-phase epitaxy - requires enrichment

Methane

Methane - requires enrichment

Method of exhaustion

Method of exhaustion - requires enrichment

Method of indivisibles

Method of indivisibles - requires enrichment

Metre

Metre - requires enrichment

Metric system

Metric system - requires enrichment

Metronome

Metronome - requires enrichment

Meusnier's dirigible

designed used by the Robert brothers and Jacques Charles in 1784

Microblogging

Microblogging - requires enrichment

Microcentrifuge

Microcentrifuge - requires enrichment

Microcode

Microcode - requires enrichment

Microcomputer

Fist commercially available microprocessor-based computer: the Micral

Microkeratome

Microkeratome - requires enrichment

Microlith

Microlith - requires enrichment

Micropipette

Micropipette - requires enrichment

Microprocessor

Microprocessor - requires enrichment

Microtome

Microtome - requires enrichment

Microwave oven

Microwave oven - requires enrichment

Military submersible

Military submersible - requires enrichment

Milk chocolate

Milk chocolate - requires enrichment

Milk-cream separator

Milk-cream separator - requires enrichment

Mills bomb

First modern fragmentation grenade

Miniature neon lamp

Miniature neon lamp - requires enrichment

Minié ball

Minié ball - requires enrichment

Mining

Mining - requires enrichment

Miquelet lock

Miquelet lock - requires enrichment

Mirror

Mirror - requires enrichment

Mirror galvanometer

Mirror galvanometer - requires enrichment

Mitrailleuse

Mitrailleuse - requires enrichment

Mobile radio telephone

Mobile radio telephone - requires enrichment

Modem

Modem - requires enrichment

Modern barbed wire

Modern barbed wire - requires enrichment

Modern cryptography

Modern cryptography - requires enrichment

Modern evolutionary synthesis

Modern evolutionary synthesis - requires enrichment

Modern fountain pen

Modern fountain pen - requires enrichment

Modern guitar

Modern guitar - requires enrichment

Modern oil well

Modern oil well - requires enrichment

Modern pencil

Modern pencil - requires enrichment

Modern Portland cement

Significantly distinct from the original Portland cement of 1824, developed by William Aspdin's father Joseph. Priority disputed between Willam Aspdin...

Moka pot

Moka pot - requires enrichment

Molybdenum

Molybdenum - requires enrichment

Monolithic integrated circuit

Monolithic integrated circuit - requires enrichment

Monosodium glutamate

Monosodium glutamate - requires enrichment

Monte Carlo method

Monte Carlo method - requires enrichment

Moog synthesizer

First commercial synthesizer

Moon landing

Moon landing - requires enrichment

Moore tube

Moore tube - requires enrichment

Morphine

Morphine - requires enrichment

Morse code

Morse code - requires enrichment

Mortar and pestle

Mortar and pestle - requires enrichment

Mortise and tenon

Mortise and tenon - requires enrichment

MOS DRAM

MOS DRAM - requires enrichment

MOS SRAM

MOS SRAM - requires enrichment

MOSFET

MOSFET - requires enrichment

Motorboat

first internal combustion engine to power a boat

Motorcycle

First motorcycle using an internal combustion engine. Earlier steam velocipedes can also be considered.

Motorized air compressor

Motorized air compressor - requires enrichment

Mould-board plough

Mould-board plough - requires enrichment

Mousterian stone tool

Mousterian stone tool - requires enrichment

Movable type

Movable type - requires enrichment

Movie camera

The Kinetograph is arguably the first true movie camera

Moving-coil galvanometer

Moving-coil galvanometer - requires enrichment

Moving-coil loudspeaker

Moving-coil loudspeaker - requires enrichment

Moving-coil oscillograph

Moving-coil oscillograph - requires enrichment

MP3 audio compression

MP3 audio compression - requires enrichment

MP3 player

MP3 player - requires enrichment

mRNA vaccine

mRNA vaccine - requires enrichment

Mudbricks

Mudbricks - requires enrichment

Multi-touch

Multi-touch - requires enrichment

Multi-touch smartphone

Multi-touch smartphone - requires enrichment

Multi-tube seed drill

Multi-tube seed drill - requires enrichment

Multistage rocket

An illustration and description in the 14th century Chinese Huolongjing by Jiao Yu and Liu Bowen shows the oldest known multistage rocket; this was th...

Multivibrator

Multivibrator - requires enrichment

Mummification

Mummification - requires enrichment

Muscle cuirass

Muscle cuirass - requires enrichment

Musical bow

Musical bow - requires enrichment

Musical Instrument Digital Interface

Musical Instrument Digital Interface - requires enrichment

Musical notation

Musical notation - requires enrichment

Muslin

Muslin - requires enrichment

Mustard gas

Mustard gas - requires enrichment

Mysorean rocket

Mysorean rocket - requires enrichment

Nailed horseshoe

oldest horseshoes with possible nails are known from an Etruscan tomb dated 4th century BC, but there are no other finds/references until the 5th cent...

Nålebinding

Nålebinding - requires enrichment

Napalm

Napalm - requires enrichment

Napier's bones

Napier's bones - requires enrichment

Natron

Natron - requires enrichment

Natural selection

Natural selection - requires enrichment

Naval mine

Naval mines were first invented by Chinese innovators of Imperial China and were described in thorough detail by the early Ming dynasty artillery offi...

Nd:YAG laser

Nd:YAG laser - requires enrichment

Neocognitron

Neocognitron - requires enrichment

Neodymium

Neodymium - requires enrichment

Neodymium magnet

Neodymium magnet - requires enrichment

Neon

Neon - requires enrichment

Neon lighting

Neon lighting - requires enrichment

Neptunium

Neptunium - requires enrichment

Nernst lamp

Nernst lamp - requires enrichment

Network with end-to-end principle

Network with end-to-end principle - requires enrichment

Neural language model

Neural language model - requires enrichment

Neuron doctrine

Neuron doctrine - requires enrichment

Neutrino

Neutrino - requires enrichment

Neutron

Neutron - requires enrichment

New quadrant

New quadrant - requires enrichment

Newcomen atmospheric engine

first practical steam engine

Newton's laws of motion

Newton's laws of motion - requires enrichment

Nichrome heating element

Nichrome heating element - requires enrichment

Nickel

Nickel - requires enrichment

Nickel silver

Alloy of copper, nickel, and zinc; does not contain silver!

Nickel–cadmium battery

Nickel–cadmium battery - requires enrichment

Nickel–iron battery

Nickel–iron battery - requires enrichment

Niobium

Niobium - requires enrichment

Nipkow disk

Nipkow disk - requires enrichment

Nitric acid

Nitric acid - requires enrichment

Nitrocellulose film

Nitrocellulose film - requires enrichment

Nitrogen

Nitrogen - requires enrichment

Nitroglycerin

Nitroglycerin - requires enrichment

Nixie tube

Nixie tube - requires enrichment

Nixtamalization

Nixtamalization - requires enrichment

Noise-cancelling headphones

Noise-cancelling headphones - requires enrichment

Nomogram

Nomogram - requires enrichment

Nonius

Nonius - requires enrichment

Noodles

Noodles - requires enrichment

Normalsegelapparat

first serially produced heavier-than-air flying machine

Northrop loom

Northrop loom - requires enrichment

Nottingham lace curtain machine

Nottingham lace curtain machine - requires enrichment

Nuclear fission

Nuclear fission - requires enrichment

Nuclear fusion

Nuclear fusion - requires enrichment

Nuclear magnetic resonance

Nuclear magnetic resonance - requires enrichment

Nuclear power

Nuclear power - requires enrichment

Nuclear power plant

Nuclear power plant - requires enrichment

Nuclear reactor

First reactor: Chicago Pile-1

Nuclear submarine

Nuclear submarine - requires enrichment

Nuclear-powered surface ship

Nuclear-powered surface ship - requires enrichment

Nucleic acid

Nucleic acid - requires enrichment

Nylon

Nylon - requires enrichment

Oboe

Oboe - requires enrichment

Obsidian tool

Obsidian tool - requires enrichment

Ocean thermal energy conversion

Ocean thermal energy conversion - requires enrichment

Ocean thermal energy conversion plant

Ocean thermal energy conversion plant - requires enrichment

Octant

Octant - requires enrichment

Odometer (China)

Odometer (China) - requires enrichment

Odometer (Western)

Odometer (Western) - requires enrichment

Offset printing

Offset printing - requires enrichment

Offshore wind farm

Offshore wind farm - requires enrichment

Oil lamp

Oil lamp - requires enrichment

Oil refinery

Oil refinery - requires enrichment

Oldowan stone tool

Oldowan stone tool - requires enrichment

OLED

OLED - requires enrichment

Olive oil

Olive oil - requires enrichment

Onager

This is the design most commonly associated with catapults, which was a generic word for artillery in Greco-Roman times

Ondes Martenot

Ondes Martenot - requires enrichment

Ondol

Ondol - requires enrichment

One-time pad

One-time pad - requires enrichment

Open hearth furnace

Open hearth furnace - requires enrichment

Operating system

Operating system - requires enrichment

Opium poppy cultivation

The opium poppy did not wait for humans to discover its properties. It waited for the conditions that would make its cultivation inevitable—and those...

Optacon

Optacon - requires enrichment

Optical amplifier

Optical amplifier - requires enrichment

Optical fiber

Optical fiber - requires enrichment

Oral polio vaccine

Oral polio vaccine - requires enrichment

Orangery

Orangery - requires enrichment

Organistrum

Organistrum - requires enrichment

Oriented strand board

Oriented strand board - requires enrichment

Oscilloscope

perfected in 1899 by Jonathan Zenneck

Ostwald nitric acid process

Ostwald nitric acid process - requires enrichment

Oud

Oud - requires enrichment

Outrigger boat

Outrigger boat - requires enrichment

Ox hide bellows

Ox hide bellows - requires enrichment

Oxy-fuel welding and cutting

Oxy-fuel welding and cutting - requires enrichment

Oxygen (Scheele–Priestley)

independently (re)discovered by Scheele and Priestley. Scheele discovered it earlier but Priestley often gets credit due to having published first

Oxygen (Sendigovius)

very likely discovered by Sendigovius in 1604, but then re-discovered in the 1770s, from which modern oxygen chemistry derives

Oxygen mask

Oxygen mask - requires enrichment

Oxyhydrogen blowpipe

Oxyhydrogen blowpipe - requires enrichment

Oyster farming

Oyster farming - requires enrichment

Ozone

Ozone - requires enrichment

p–n junction

p–n junction - requires enrichment

p–n junction isolation

p–n junction isolation - requires enrichment

Pacemaker

Pacemaker - requires enrichment

Packet switching

Packet switching - requires enrichment

Paddle wheel boat

Paddle wheel boat - requires enrichment

Paddy field

The paddy field did not arise from a single moment of invention. It emerged from centuries of observation along the lower Yangtze River, where Neolith...

Padlock

Padlock - requires enrichment

Pager

Pager - requires enrichment

PageRank

PageRank - requires enrichment

Palm-leaf manuscript

Palm-leaf manuscript - requires enrichment

Pan flute

Pan flute - requires enrichment

Panemone windmill

first practical windmill

Pantelegraph

Pantelegraph - requires enrichment

Paper

Paper wasn't invented in 105 CE. Paper was formalized—the culmination of centuries of experimentation finally systematized into a reproducible industr...

Paper cartridge

Paper cartridge - requires enrichment

Paper clip

Paper clip - requires enrichment

Paper machine

Paper machine - requires enrichment

Paper money

Jiaozi: considered the first true paper money

Paper recycling

Paper recycling - requires enrichment

Papermaking

Cai Lun is generally credited as the inventor of paper, but there is archeological evidence that paper predates him by centuries. He likely came up wi...

Papyrus

Papyrus - requires enrichment

Parabolic antenna

Parabolic antenna - requires enrichment

Parabolic radio telescope

Parabolic radio telescope - requires enrichment

Paracetamol

Paracetamol - requires enrichment

Parachute

Parachute - requires enrichment

Paraffin wax

Paraffin wax - requires enrichment

Parchment

Traditionally said to have been invented in Pergamon as a response to the cessation of papyrus imports from Egypt. Real date probably more than 1000 y...

Parkesine

first plastic; cellulose with nitric acid

Particle board

Particle board - requires enrichment

Passarola

Passarola - requires enrichment

Pasteurization

invented during a holiday in Arbois (Pasteur worked in Lille, Paris, and Strasbourg)

Patio process

Patio process - requires enrichment

Pattern-tracing lathe

apparently independent and different from Nartov's copying lathe?

Paul-Wyatt cotton mills

Paul-Wyatt cotton mills - requires enrichment

Paved roads

The paved road did not emerge from abstract planning. It emerged from mud—specifically, from the failure of natural surfaces to support wheeled transp...

Payment card

Payment card - requires enrichment

Pedal bicycle

Pedal bicycle - requires enrichment

Pedal harp

Pedal harp - requires enrichment

Pelton wheel

Pelton wheel - requires enrichment

Pencil sharpener

Pencil sharpener - requires enrichment

Pendentive dome

Pendentive dome - requires enrichment

Pendulum clock

First conceptualized by Galileo Galilei in 1637; built by Huygens in 1656

Pendulum physics

Pendulum physics - requires enrichment

Penicillin

Penicillin - requires enrichment

Penny-farthing

Penny-farthing - requires enrichment

Percussion cap

Percussion cap - requires enrichment

Periodic table

Periodic table - requires enrichment

Perspective in art

Perspective in art - requires enrichment

PET-CT

PET-CT - requires enrichment

Petri dish

Petri dish - requires enrichment

Petroleum as fuel

Petroleum as fuel - requires enrichment

Petroleum jelly

Petroleum jelly - requires enrichment

Petzval lens

Petzval lens - requires enrichment

Pewter

Pewter - requires enrichment

pH

pH - requires enrichment

pH meter

pH meter - requires enrichment

Phage display

Phage display - requires enrichment

Phage therapy

Phage therapy - requires enrichment

Phase array antenna

Phase array antenna - requires enrichment

Phase-contrast microscope

Phase-contrast microscope - requires enrichment

Phenakistiscope

Can also be considered the invention of the stroboscope

Philo's thermoscope

Philo's thermoscope - requires enrichment

Phoenician joint

Phoenician joint - requires enrichment

Phonautograph

first device to record sound, but with no playback

Phonograph

Phonograph - requires enrichment

Phonograph cylinder

Phonograph cylinder - requires enrichment

Phonograph record

Phonograph record - requires enrichment

Phosphorus

Phosphorus - requires enrichment

Photocopier

Photocopier - requires enrichment

Photogrammetry

Photogrammetry - requires enrichment

Photographic camera

Photographic camera - requires enrichment

Photography

Photography - requires enrichment

Photolithography

Photolithography - requires enrichment

Photomask projection aligner

Photomask projection aligner - requires enrichment

Photomultiplier tube

Photomultiplier tube - requires enrichment

Photon and photoelectric effect

Photon and photoelectric effect - requires enrichment

Photonic crystal

Photonic crystal - requires enrichment

Photonic-crystal fiber

Photonic-crystal fiber - requires enrichment

Photophone

Photophone - requires enrichment

Photorefractive keratectomy

Photorefractive keratectomy - requires enrichment

Photostat

Photostat - requires enrichment

Phototypesetting

Phototypesetting - requires enrichment

Photovoltaic effect

Photovoltaic effect - requires enrichment

Physautotype

Physautotype - requires enrichment

Piano

Piano - requires enrichment

Piezoelectricity

Piezoelectricity - requires enrichment

Pigeon post

Pigeon post - requires enrichment

Pigments

Pigments did not wait for artists. They waited for the cognitive capacity to see color as information—and that capacity emerged hundreds of thousands...

Pike

Pike - requires enrichment

Pine tar

Pine tar - requires enrichment

Pinfire cartridge

Pinfire cartridge - requires enrichment

Pipa

Pipa - requires enrichment

Pipe organ

Pipe organ - requires enrichment

Piston bellows

Piston bellows - requires enrichment

Pivoted scissors

Modern scissor design

Placeholder zero

Placeholder zero - requires enrichment

Planar process

Planar process - requires enrichment

Planer

Planer - requires enrichment

Planetary theory

Planetary theory - requires enrichment

Plasma display

Plasma display - requires enrichment

Plasma globe

Plasma globe - requires enrichment

Plasma-enhanced chemical vapor deposition

Plasma-enhanced chemical vapor deposition - requires enrichment

Platinum

Platinum - requires enrichment

Player piano

Player piano - requires enrichment

Pleasure wheel

Pleasure wheel - requires enrichment

Plumbing

Plumbing did not arise from a flash of genius. It emerged from the inexorable logic of urban density—when enough people crowd into a permanent settlem...

Plutonium

Plutonium - requires enrichment

Plywood

Plywood - requires enrichment

Pneumatic drill

Pneumatic drill - requires enrichment

Pneumatic tire

Pneumatic tire - requires enrichment

Pneumatic tube

Pneumatic tube - requires enrichment

Pocket calculator

Pocket calculator - requires enrichment

Pocket watch

Pocket watch - requires enrichment

Pointed arch bridge

Image shows the Getar bridge in Armenia

Polarizing filter

Polarizing filter - requires enrichment

Polarizing prism

Polarizing prism - requires enrichment

Polio vaccine

Polio vaccine - requires enrichment

Polished metal mirror

The polished metal mirror did not emerge from vanity. It emerged from the same impulse that drove humans to paint cave walls and carve figurines—the d...

Polonium

Polonium - requires enrichment

Polyester

Polyester - requires enrichment

Polyethylene

Polyethylene - requires enrichment

Polyimide

Polyimide - requires enrichment

Polymerase chain reaction

Polymerase chain reaction - requires enrichment

Polyphonic synthesizer

Polyphonic synthesizer - requires enrichment

Polystyrene

Polystyrene - requires enrichment

Polyurethane

Polyurethane - requires enrichment

Population genetics

Population genetics - requires enrichment

Porcelain

Porcelain - requires enrichment

Portable audio player

Portable audio player - requires enrichment

Portable defibrillator

Portable defibrillator - requires enrichment

Portable engine

Portable engine - requires enrichment

Portable operating system

Portable operating system - requires enrichment

Portland cement

Portland cement - requires enrichment

Portolan chart

Portolan chart - requires enrichment

Positional decimal numerals and true zero

Positional decimal numerals and true zero - requires enrichment

Positional numeral system

Positional numeral system - requires enrichment

Positron

Positron - requires enrichment

Positron emission tomography

Positron emission tomography - requires enrichment

Post windmill

Post windmill - requires enrichment

Postage stamp

Postage stamp - requires enrichment

Potassium

First isolation of the element

Pottery

Pottery did not emerge from a single inventor's insight. It emerged from the logic of storing food through harsh seasons—and the conditions that made...

Pound lock

Pound lock - requires enrichment

Power loom

Power loom - requires enrichment

Power MOSFET

Power MOSFET - requires enrichment

Power plug

Power plug - requires enrichment

Powered printing press

Powered printing press - requires enrichment

Powered vacuum cleaner

first vacuum cleaners using suction and an engine, invented independently by Booth and Kenney

Praseodymium

Praseodymium - requires enrichment

Praxinoscope

Praxinoscope - requires enrichment

Pre-cut cardboard box

Pre-cut cardboard box - requires enrichment

Precession of the equinoxes

Precession of the equinoxes - requires enrichment

Pressure cooker

Pressure cooker - requires enrichment

Pressure suit

Pressure suit - requires enrichment

Pressurized aircraft cabin

Pressurized aircraft cabin - requires enrichment

Printing Press

The printing press emerged in 15th-century Mainz because the conditions finally aligned—not because Gutenberg was uniquely brilliant. Chinese paper-ma...

Programmable calculator

The Programma 101 by Olivetti is often considered the first programmable calculator, although it was preceded by the much more obscure Mathatron.

Programmable electronic computer

Programmable electronic computer - requires enrichment

Programmable read-only memory

Programmable read-only memory - requires enrichment

Programmable synthesizer

Programmable synthesizer - requires enrichment

Proportional counter

Proportional counter - requires enrichment

Protein sequencing

Protein sequencing - requires enrichment

Proto-soap

Proto-soap - requires enrichment

Proximity fuze

Proximity fuze - requires enrichment

Prussian blue

Prussian blue - requires enrichment

Psaltery

Psaltery - requires enrichment

Ptolemaic geocentrism

Ptolemaic geocentrism - requires enrichment

Public bath

Public bath - requires enrichment

Public flush toilet

Public flush toilet - requires enrichment

Public gas lighting

Public gas lighting - requires enrichment

Public-key cryptography

Public-key cryptography - requires enrichment

Puddling

Puddling - requires enrichment

Pulley

Pulley - requires enrichment

Pulsejet

Pulsejet - requires enrichment

Pump organ

Pump organ - requires enrichment

Punched card

Punched card - requires enrichment

Pyroelectricity

Pyroelectricity - requires enrichment

Pyrometer

Pyrometer - requires enrichment

Pythagorean theorem

Pythagorean theorem - requires enrichment

Quadcopter camera drone

Quadcopter camera drone - requires enrichment

Quadrant

Quadrant - requires enrichment

Quadruplex telegraph

Quadruplex telegraph - requires enrichment

Quantum annealing

Controversial whether this is actually a practical technology

Quantum computer

First commercial quantum computer

Quantum tunneling

Quantum tunneling - requires enrichment

Quark

Quark - requires enrichment

Quartz clock

Quartz clock - requires enrichment

Quartz wristwatch

Quartz wristwatch - requires enrichment

Quern-stone

The quern-stone did not emerge to bake bread. It emerged to unlock calories—specifically, to transform hard, indigestible grain seeds into flour that...

Quill

Quill - requires enrichment

Quinine

Quinine - requires enrichment

Quipu

Quipu - requires enrichment

Rabbit pregnancy test

Rabbit pregnancy test - requires enrichment

Rabies vaccine

Rabies vaccine - requires enrichment

Radar

Radar - requires enrichment

Radial engine

First purpose-designed aircraft engine, for the unsuccessful Langley Aerodrome

Radial tire

Radial tire - requires enrichment

Radio broadcasting

Radio broadcasting - requires enrichment

Radio control

Radio control - requires enrichment

Radio detector

Radio detector - requires enrichment

Radio telescope

Radio telescope - requires enrichment

Radio waves and spark-gap transmitter

Radio waves and spark-gap transmitter - requires enrichment

Radioactivity

Radioactivity - requires enrichment

Radiocarbon dating

Radiocarbon dating - requires enrichment

Radiofax

Radiofax - requires enrichment

Radioimmunoassay

Radioimmunoassay - requires enrichment

Radioluminescent paint

Radioluminescent paint - requires enrichment

Radium

Radium - requires enrichment

Radon

Radon - requires enrichment

Raft

The raft did not emerge to explore. It emerged to eat—specifically, to access food resources that lay just beyond reach across rivers, channels, and c...

Rail transport

Rail transport - requires enrichment

Railway semaphore signal

Railway semaphore signal - requires enrichment

Rain gauge

Rain gauge - requires enrichment

Ramjet

Ramjet - requires enrichment

Rammed earth

Rammed earth did not emerge to create architecture. It emerged to solve a simple problem: how to build permanent walls where trees were scarce and sto...

Rapid transit

Rapid transit - requires enrichment

Rayon

Rayon - requires enrichment

Razor with protective guard

Razor with protective guard - requires enrichment

Reading stone

Reading stone - requires enrichment

Reaping machine

Reaping machine - requires enrichment

Rebab

Rebab - requires enrichment

Rebreather

Rebreather - requires enrichment

Rechargeable battery

Rechargeable battery - requires enrichment

Recombinant DNA

Recombinant DNA - requires enrichment

Recording telegraph

Further improvements by Frederick Bakewell. Earliest version of a fax machine.

Rectified linear unit

Rectified linear unit - requires enrichment

Recurrent neural network

Recurrent neural network - requires enrichment

Red phosphorus

Red phosphorus - requires enrichment

Reed pen

Reed pen - requires enrichment

Reflecting circle

Reflecting circle - requires enrichment

Reflecting telescope

Reflecting telescope - requires enrichment

Reflective LLM

Reflective LLM - requires enrichment

Reflector sight

Reflector sight - requires enrichment

Refrigerated ship

Refrigerated ship - requires enrichment

Reinforced concrete

Reinforced concrete - requires enrichment

Reis telephone

Reis telephone - requires enrichment

Repeating circle

Repeating circle - requires enrichment

Reservoir

Image of the Great Hafir in Sudan

Resonant transformer

Resonant transformer - requires enrichment

Respirator

Respirator - requires enrichment

Restriction enzymes

Restriction enzymes - requires enrichment

Reusable spacecraft

Reusable spacecraft - requires enrichment

Reverse osmosis

Reverse osmosis - requires enrichment

Reverse overshot water wheel

Reverse overshot water wheel - requires enrichment

Revolver

There were earlier designs of revolving firearms, e.g. c. 1580, but Stopler's design is often called the first revolver

RF CMOS

RF CMOS - requires enrichment

Rhinoplasty

Rhinoplasty - requires enrichment

Ribbon microphone

Ribbon microphone - requires enrichment

Rifled musket

Rifled musket - requires enrichment

Rifling

Rifling - requires enrichment

Rimfire ammunition

Rimfire ammunition - requires enrichment

Roberts loom

Roberts loom - requires enrichment

Roberval balance

Roberval balance - requires enrichment

Robotaxi

Robotaxi - requires enrichment

Robotic vacuum cleaner

Robotic vacuum cleaner - requires enrichment

Rochelle salt

Rochelle salt - requires enrichment

Rock-cut stepwell

Rock-cut stepwell - requires enrichment

Rocket

Rocket - requires enrichment

Roller skates

Roller skates - requires enrichment

Roman cement

unrelated to Roman concrete

Roman concrete

Roman concrete - requires enrichment

Rømer scale

Rømer scale - requires enrichment

Rope

Rope did not require invention so much as recognition. Plant fibers naturally twist; vines hang from trees; sinew binds muscle to bone. What required...

Rotary engine

Rotary engine - requires enrichment

Rotary kiln

Rotary kiln - requires enrichment

Rotary printing press

Rotary printing press - requires enrichment

Rotary quern

possibly in Celtiberian Spain, possibly in Carthage

Rotary rocket

Rotary rocket - requires enrichment

Rotor ship

Rotor ship - requires enrichment

Rotoscoping

Rotoscoping - requires enrichment

Rowing oars

Rowing oars did not emerge to replace paddling. They emerged to multiply human power—using a fulcrum point on the boat's gunwale to convert shorter ar...

Rubber

first evidence is in Mesoamerican game balls

Ruhmkorff lamp

Ruhmkorff lamp - requires enrichment

Rust-resistant iron

Rust-resistant iron - requires enrichment

S-trap

S-trap - requires enrichment

Saddle

The earliest known saddle-like equipment were fringed cloths or pads used by Assyrian cavalry around 700 BC.

Safety bicycle

design of modern bicycles

Safety elevator

Safety elevator - requires enrichment

Safety lamp

Safety lamp - requires enrichment

Safety match

Safety match - requires enrichment

Safety pin

Safety pin - requires enrichment

Safety razor

Safety razor - requires enrichment

Sail (Mediterranean)

The sail did not emerge from theoretical understanding of aerodynamics. It emerged from geography—specifically, from the peculiar conditions of the Ni...

Salmon farming

Salmon farming - requires enrichment

Salt mining

Salt mining did not emerge to season food. It emerged to preserve it—specifically, to access the mineral that could prevent meat, fish, and vegetables...

Salt print

Salt print - requires enrichment

Saltpeter

Saltpeter - requires enrichment

Samarium

Samarium - requires enrichment

Samarium–cobalt magnet

Samarium–cobalt magnet - requires enrichment

Sandal

The sandal did not emerge to beautify feet. It emerged to protect them—specifically, to create a barrier between human soles and the sharp rocks, thor...

Satellite navigation system

First such system: Transit. First to enter widespread civilian use: GPS

Satellite television

Satellite television - requires enrichment

Saxophone

Saxophone - requires enrichment

Scale armour

Scale armour - requires enrichment

Scalpel

Scalpel - requires enrichment

Scanning electron microscope

Scanning electron microscope - requires enrichment

Schrödinger equation

Schrödinger equation - requires enrichment

Scientific pocket calculator

Scientific pocket calculator - requires enrichment

Scintillation counter

Scintillation counter - requires enrichment

Scramjet

Scramjet - requires enrichment

Screw

Screw - requires enrichment

Screw press

Screw press - requires enrichment

Screw-cutting lathe

Screw-cutting lathe - requires enrichment

Screwdriver

Screwdriver - requires enrichment

Scroll

The oldest known scroll is the Diary of Merer, which can be dated to c. 2568 BCE.

Scuba set

Scuba set - requires enrichment

Scythe

The scythe did not emerge to replace the sickle. It emerged to solve a labor problem: how to harvest grass and grain faster, by cutting more stalks wi...

Scythed chariot

Scythed chariot - requires enrichment

Seaplane

Seaplane - requires enrichment

Search engine

Search engine - requires enrichment

Seat belt

Seat belt - requires enrichment

Seaweed farming

Seaweed farming - requires enrichment

Secondary emission

Secondary emission - requires enrichment

Sector

Sector - requires enrichment

Seed drill

Seed drill - requires enrichment

Segmental arched bridge

Image shows the Ponte Molino, another Roman-era segmental arch bridge in Padua

Seismometer

Seismometer - requires enrichment

Selective laser melting

Selective laser melting - requires enrichment

Selective laser sintering

Selective laser sintering - requires enrichment

Selective serotonin reuptake inhibitor

Selective serotonin reuptake inhibitor - requires enrichment

Selenium

Selenium - requires enrichment

Selenium photocell

Selenium photocell - requires enrichment

Self-acting hydraulic ram

Self-acting hydraulic ram - requires enrichment

Self-acting spinning mule

Self-acting spinning mule - requires enrichment

Self-propelled steam car

First automobile

Self-propelled torpedo

Self-propelled torpedo - requires enrichment

Self-propelled wheelchair

Self-propelled wheelchair - requires enrichment

Semaphore telegraph

Semaphore telegraph - requires enrichment

Semi-automatic pistol

Semi-automatic pistol - requires enrichment

Semi-automatic shotgun

Semi-automatic shotgun - requires enrichment

Semiconductors

Semiconductors - requires enrichment

Seq2seq

Seq2seq - requires enrichment

Sericulture

Sericulture - requires enrichment

Sewing machine

Sewing machine - requires enrichment

Sewing needle

The sewing needle did not emerge to create fashion. It emerged to create survival—specifically, to produce fitted clothing that could trap body heat i...

Sewn boat building

Image shows the Khufu ship, one of the earliest sewn boats (2500 BCE)

Sextant

Sextant - requires enrichment

Shaduf

Shaduf - requires enrichment

Shawm

Shawm - requires enrichment

Sheng

Sheng - requires enrichment

Shield

The shield did not emerge to make warriors braver. It emerged to solve a physics problem: how to deflect kinetic energy from incoming projectiles and...

Ship of the line

Ship of the line - requires enrichment

Shoe

Shoe - requires enrichment

Shukhov cracking process

Shukhov cracking process - requires enrichment

Sickle

Sickle - requires enrichment

Siemens–Martin process

named after Carl Wilhelm Siemens who invented the open hearth furnace, which Martin then used to make steel

Signal lamp

Signal lamp - requires enrichment

Sildenafil

Sildenafil - requires enrichment

Silica gel

Silica gel - requires enrichment

Silicon

Silicon - requires enrichment

Silicon carbide

Silicon carbide - requires enrichment

Silicon carbide JFET

Silicon carbide JFET - requires enrichment

Silicon steel

Silicon steel - requires enrichment

Silicone

Silicone - requires enrichment

Silk

Silk did not emerge from human ingenuity. It emerged from an insect—a small, blind, flightless moth that had evolved to spin a cocoon from a single co...

Silver

Silver was not discovered. It was extracted—separated from the lead ores in which it almost always occurs, through a process that required understandi...

Silver mirror

Silver mirror - requires enrichment

Silver nitrate

Silver nitrate - requires enrichment

Simple suspension bridge

Simple suspension bridge - requires enrichment

Sine quadrant

Sine quadrant - requires enrichment

Singing arc

Arguably one of the first instances of electronic music

Siphon

Siphon - requires enrichment

Skyscraper

Skyscraper - requires enrichment

Slide projector

Slide projector - requires enrichment

Slide rule

Slide rule - requires enrichment

Sling

The sling did not emerge to make throwing easier. It emerged to make throwing deadly—specifically, to accelerate a stone to velocities that could frac...

Slitting mill

Slitting mill - requires enrichment

Small modular reactor

Small modular reactor - requires enrichment

Smallpox vaccine

Smallpox vaccine - requires enrichment

Smalt

Glass colored with cobalt oxide is called "smalt" when ground into a pigment

Smart speaker

Smart speaker - requires enrichment

Smartphone

Smartphone - requires enrichment

Smartwatch

Smartwatch - requires enrichment

Smoke detector

Smoke detector - requires enrichment

Smoke helmet

Smoke helmet - requires enrichment

Smokeless gunpowder

Smokeless gunpowder - requires enrichment

Smokeless powder cartridge

Smokeless powder cartridge - requires enrichment

SMS

International development: GSM group in Germany and France, then first implementation in the UK by Vodafone, and first commercial deployment in Sweden

Snaphance

Snaphance - requires enrichment

Snaplock

Snaplock - requires enrichment

Snow goggles

Snow goggles - requires enrichment

Snowmobile

Snowmobile - requires enrichment

Soap

Attributed to "the Gauls" by Pliny

Social network service

Social network service - requires enrichment

Sodium

First isolation of the element

Sodium bicarbonate

Sodium bicarbonate - requires enrichment

Software as a service

Software as a service - requires enrichment

Solar calendar

Solar calendar - requires enrichment

Solar calendar with leap years

Solar calendar with leap years - requires enrichment

Solar cell

Solar cell - requires enrichment

Solar cooker

Solar cooker - requires enrichment

Solar furnace

Solar furnace - requires enrichment

Solar sail

Solar sail - requires enrichment

Solar thermal power station

Solar thermal power station - requires enrichment

Solid-state drive

Solid-state drive - requires enrichment

Soluble cellulose acetate

Soluble cellulose acetate - requires enrichment

Somatic cell nuclear transfer

Somatic cell nuclear transfer - requires enrichment

Sound film

Sound film - requires enrichment

Sounding machine

Sounding machine - requires enrichment

Sous vide

Sous vide - requires enrichment

South-pointing chariot

South-pointing chariot - requires enrichment

Soxhlets extractor

Soxhlets extractor - requires enrichment

Soybean paste and soy sauce

Soybean paste and soy sauce - requires enrichment

Space blanket

Space blanket - requires enrichment

Space capsule

First human spaceflight (Yuri Gagarin)

Space station

Space station - requires enrichment

Space suit

Space suit - requires enrichment

Space telescope

First space telescope: the OAO-1, but OAO-2 was the first successful launch

Spandex

Spandex - requires enrichment

Spar torpedo

Spar torpedo - requires enrichment

Spear

The spear was not invented. It was discovered—in the same sense that fire was discovered, by creatures who recognized a pattern in nature and learned...

Spear-thrower

The spear-thrower did not emerge to improve hunting. It emerged to solve a physics problem: how to give a projectile more velocity than the human arm...

Special relativity

Special relativity - requires enrichment

Spectrophotometer

Spectrophotometer - requires enrichment

Speculum metal mirror

Speculum metal mirror - requires enrichment

Speech recognition software

Speech recognition software - requires enrichment

Speed of light

Speed of light - requires enrichment

Sperm oil and spermaceti candle

Sperm oil and spermaceti candle - requires enrichment

Sperm whaling

Sperm whaling - requires enrichment

Spherical deep-sea submersible

Spherical deep-sea submersible - requires enrichment

Sphericity of the Earth

Sphericity of the Earth - requires enrichment

Spinning jenny

Spinning jenny - requires enrichment

Spinning mule

Spinning mule - requires enrichment

Spinning wheel

Spinning wheel - requires enrichment

Spiral stairs

Spiral stairs - requires enrichment

Spirit duplicator

Spirit duplicator - requires enrichment

Spirit level

Spirit level - requires enrichment

Sponge

Sponge - requires enrichment

Spreadsheet

Spreadsheet - requires enrichment

Sprengel pump

Sprengel pump - requires enrichment

Spring scale

Spring scale - requires enrichment

Spring scissors

Spring scissors - requires enrichment

Spritsail

Spritsail - requires enrichment

SQUID

SQUID - requires enrichment

Stainless steel

Stainless steel - requires enrichment

Stairs

Stairs did not emerge to ascend buildings. They emerged to solve a geometric problem: how to move the human body vertically through space in a way tha...

Stamp seal

The stamp seal did not emerge to decorate pottery. It emerged to solve a trust problem: how to prove that goods in a container remained untouched sinc...

Standard diving dress

Standard diving dress - requires enrichment

Standard Model of particle physics

Standard Model of particle physics - requires enrichment

Star chart

Star chart - requires enrichment

Static random-access memory

Static random-access memory - requires enrichment

Statistical language model

Statistical language model - requires enrichment

Stealth aircraft

Stealth aircraft - requires enrichment

Steam hammer

independently invented in 1839 by Nasmyth in Scotland and Bourdon in France

Steam injector

Steam injector - requires enrichment

Steam locomotive

Steam locomotive - requires enrichment

Steam shovel

Steam shovel - requires enrichment

Steam turbine

Steam turbine - requires enrichment

Steam velocipede

Both the Michaux-Perreaux and the Roper velocipedes have competing claims at being the first steam-powered velocipede

Steam-powered aircraft

Steam-powered aircraft - requires enrichment

Steam-powered battleship

Steam-powered battleship - requires enrichment

Steam-powered water pump

Steam-powered water pump - requires enrichment

Steamboat

Steamboat - requires enrichment

Steamboat transport

Steamboat transport - requires enrichment

Steel

Steel is iron with exactly the right amount of carbon—too little and it's soft wrought iron, too much and it's brittle cast iron. For three millennia,...

Steel plough

Steel plough - requires enrichment

Steel-framed building

Steel-framed building - requires enrichment

Steelmaking with partial decarbonization

Medieval process akin to the modern Bessemer process

Steelpan

Steelpan - requires enrichment

Steering oar

Steering oar - requires enrichment

Stem cell

Stem cell - requires enrichment

Stepped reckoner

Stepped reckoner - requires enrichment

Stepper

Stepper - requires enrichment

Stereo slide viewer

Stereo slide viewer - requires enrichment

Stereolithography

first 3D printing method

Stereophonic sound

Stereophonic sound - requires enrichment

Stereoscope

Stereoscope - requires enrichment

Sternpost-mounted rudder

Sternpost-mounted rudder - requires enrichment

Stethoscope

Stethoscope - requires enrichment

Stirling engine

Stirling engine - requires enrichment

Stirrup

Stirrup - requires enrichment

Stocking frame

Stocking frame - requires enrichment

Stone tool

The first stone tools weren't made by humans. They weren't even made by our genus. At Lomekwi 3, on the shores of Kenya's Lake Turkana, a 2011 archaeo...

Stonemasonry

Stonemasonry did not emerge to build monuments. It emerged to solve a structural problem: how to create permanent buildings from the most durable mate...

Stored-program computer

Von Neumann architecture sometimes considered a synonym, though that is sometimes criticized (technically, the Harvard architecture also applies to so...

Straight razor

Straight razor - requires enrichment

Stratonautical space suit

Stratonautical space suit - requires enrichment

Street sweeper

Street sweeper - requires enrichment

Strong focusing

Strong focusing - requires enrichment

Strontium

First isolation of the element

Structure of DNA

Structure of DNA - requires enrichment

Strychnine

Strychnine - requires enrichment

Submarine

the Nautilus, the first practical submarine

Submarine communication cable

Submarine communication cable - requires enrichment

Subtractive color film

Subtractive color film - requires enrichment

Suction pump

Suction pump - requires enrichment

Sugar beet

Sugar beet - requires enrichment

Sulfite wood pulp process

Sulfite wood pulp process - requires enrichment

Sulfur

Sulfur - requires enrichment

Sulfur lamp

Sulfur lamp - requires enrichment

Sulfur matches

Sulfur matches - requires enrichment

Sulfuric acid

Sulfuric acid - requires enrichment

Sundial

Sundial - requires enrichment

Sunglasses

Sunglasses - requires enrichment

Sunscreen

Sunscreen - requires enrichment

Super heavy-lift launch vehicle

Super heavy-lift launch vehicle - requires enrichment

Supercomputer

Supercomputer - requires enrichment

Superconducting magnet

Superconducting magnet - requires enrichment

Superconductors

Superconductors - requires enrichment

Superheterodyne radio receiver

Design of virtually all modern radio receivers

Superphosphate

first man-made fertilizer

Supersonic airliner

Supersonic airliner - requires enrichment

Supersonic flight

Supersonic flight - requires enrichment

Surface-to-air missile

Surface-to-air missile - requires enrichment

Surgery under anesthesia

Surgery under anesthesia - requires enrichment

Swiss army knife

Swiss army knife - requires enrichment

Sword

The sword did not emerge from the dagger through simple enlargement. It required solving a materials problem that took centuries to overcome: how to c...

Synchrotron

independently invented by Veksler in 1944 and MacMillan in 1945. First one built in 1945

Synchrotron with superconducting magnets

Synchrotron with superconducting magnets - requires enrichment

Synthetic diamond

Synthetic diamond - requires enrichment

Synthetic dye

Synthetic dye - requires enrichment

Synthetic insulin

First medication made with modern genetic engineering

Synthetic organism

Synthetic organism - requires enrichment

Synthetic rubber

Synthetic rubber - requires enrichment

Synthetic ultramarine

Synthetic ultramarine - requires enrichment

Syphon recorder

Syphon recorder - requires enrichment

Syringe

Syringe - requires enrichment

System of measurement

System of measurement - requires enrichment

Tablet computer

Tablet computer - requires enrichment

Tabulating machine

Tabulating machine - requires enrichment

Tachometric bombsight

Tachometric bombsight - requires enrichment

TALEN genome editing

TALEN genome editing - requires enrichment

Talking drum

Talking drum - requires enrichment

Tally stick

The tally stick was not a precursor to writing. It was something more fundamental: an extension of memory itself, a device that allowed information to...

Tanja sail

Tanja sail - requires enrichment

Tank

invented roughly at the same time, and roughly independently, in France and the UK during WWI, but it seems the Mark I dates from September 1915 and t...

Tanned leather

Tanned leather did not emerge to make better clothing. It emerged to solve a chemistry problem: how to transform putrescible animal hide into a stable...

Tape recorder

Tape recorder - requires enrichment

Tattoo machine

Tattoo machine - requires enrichment

Taximeter

Taximeter - requires enrichment

Tea

Tea - requires enrichment

Technetium

First synthetic element

Technetium-99m radioactive tracing

Most common radioisotope in medicine

Teeth-cleaning twig

Teeth-cleaning twig - requires enrichment

Telautograph

Telautograph - requires enrichment

Telegraph sounder

Telegraph sounder - requires enrichment

Telephone

Telephone - requires enrichment

Telephone exchange

Invented by Puskás in collaboration with Edison, then the first one was built by the Bell company

Telescope

Telescope - requires enrichment

Telescopic sight

Telescopic sight - requires enrichment

Teletext

Teletext - requires enrichment

Television set

Television set - requires enrichment

Tellurium

Tellurium - requires enrichment

Terrestrial television

Terrestrial television - requires enrichment

Text-to-image model

Text-to-image model - requires enrichment

The Wheel

The wheel waited 200,000 years after anatomically modern humans appeared—not because no one thought of it, but because it needed an ecosystem of prere...

Théâtre optique

Théâtre optique - requires enrichment

Théâtrophone

Earliest precursor of both media streaming and stereo sound

Theodolite

Theodolite - requires enrichment

Theremin

Theremin - requires enrichment

Thermionic diode

first vacuum tube and first diode

Thermionic emission

re-discovered by Frederick Guthrie in 1873 and Thomas Edison in 1880. The Edison discovery led to its use in vacuum tubes.

Thermoscope

Thermoscope - requires enrichment

Thermostat

Thermostat - requires enrichment

Thin-film solar cell

Thin-film solar cell - requires enrichment

Thin-film transistor

Thin-film transistor - requires enrichment

Thorium

Thorium - requires enrichment

Three-field crop rotation

Three-field crop rotation - requires enrichment

Three-point hitch

Three-point hitch - requires enrichment

Three-strip color film

Three-strip color film - requires enrichment

Threshing board

Threshing board - requires enrichment

Threshing machine

Threshing machine - requires enrichment

Throwing stick

Throwing stick - requires enrichment

Thyratron

Thyratron - requires enrichment

Thyristor

Thyristor - requires enrichment

Ticker tape

Ticker tape - requires enrichment

Tidal power station

Tidal power station - requires enrichment

Tide mill

Tide mill - requires enrichment

Tide-predicting machine

Tide-predicting machine - requires enrichment

Time clock

Time clock - requires enrichment

Time-sharing

Time-sharing - requires enrichment

Timpani

Timpani - requires enrichment

Tin bronze

Bronze was never invented in any single place. It emerged independently wherever three conditions aligned: copper-smelting knowledge, access to tin, a...

Tin can

Tin can - requires enrichment

Tin extraction

Tin extraction - requires enrichment

Tin-mercury amalgam mirror

Tin-mercury amalgam mirror - requires enrichment

Titanium

Titanium - requires enrichment

Titanium white

Titanium white - requires enrichment

Tjasker

Tjasker - requires enrichment

TNT

TNT - requires enrichment

Tobacco

Tobacco - requires enrichment

Toe stirrup

Toe stirrup - requires enrichment

Tofu

Tofu - requires enrichment

Toilet paper

Toilet paper - requires enrichment

Tokamak

Tokamak - requires enrichment

Tool steel and air-hardening steel

Tool steel and air-hardening steel - requires enrichment

Toothbrush

Toothbrush - requires enrichment

Torpedo boat

Torpedo boat - requires enrichment

Touchscreen

Touchscreen - requires enrichment

Touchstone

Touchstone - requires enrichment

Tournette

aka slow wheel, a precursor to the fast potter's wheel

Traction engine

Traction engine - requires enrichment

Traction trebuchet

Traction trebuchet - requires enrichment

Tractor

Tractor - requires enrichment

Traffic light

Traffic light - requires enrichment

Transformer (machine learning)

Transformer (machine learning) - requires enrichment

Transformer read-only storage

Transformer read-only storage - requires enrichment

Transistor

The transistor didn't emerge from Bell Labs in 1947 because Shockley, Bardeen, and Brattain were geniuses—it emerged because the adjacent possible had...

Transistor computer

Transistor computer - requires enrichment

Transistor radio

first transistor radio: the Regency TR-1. Prototypes were made earlier, in 1952

Transistorized electronic calculator

Transistorized electronic calculator - requires enrichment

Transmon

Transmon - requires enrichment

Trautonium

Trautonium - requires enrichment

Travois

The travois did not emerge to replace the wheel. It emerged in a world without wheels—and without the domesticated draft animals that would have made...

Treadwheel crane

Treadwheel crane - requires enrichment

Tricycle and quadricycle

Tricycle and quadricycle - requires enrichment

Triode

Triode - requires enrichment

Trip hammer

"Although Chinese historians assert that its origins may span as far back as the Zhou Dynasty (1050 BC–221 BC), the British sinologist Joseph Needham...

Trireme

Trireme - requires enrichment

Tritium

Tritium - requires enrichment

Trombone

Trombone - requires enrichment

Trompe and Catalan forge

Trompe and Catalan forge - requires enrichment

True arch

True arch - requires enrichment

True arch bridge

True arch bridge - requires enrichment

True flintlock

True flintlock - requires enrichment

Trumpet

Trumpet - requires enrichment

Trumpet with pistons

Trumpet with pistons - requires enrichment

Tuba

Tuba - requires enrichment

Tuberculosis vaccine

Tuberculosis vaccine - requires enrichment

Tuned radio frequency receiver

Tuned radio frequency receiver - requires enrichment

Tungsten

Tungsten - requires enrichment

Tungsten filament

Tungsten filament - requires enrichment

Tunnel boring machine

Tunnel boring machine - requires enrichment

Tunnel diode

Tunnel diode - requires enrichment

Tunnelling shield

Tunnelling shield - requires enrichment

Turbocharger

Turbocharger - requires enrichment

Turbofan

Turbofan - requires enrichment

Turbojet

Turbojet - requires enrichment

Turing machine

Turing machine - requires enrichment

TV remote control

TV remote control - requires enrichment

Two-color additive color film

Two-color additive color film - requires enrichment

Two-stroke engine and supercharger

Two-stroke engine and supercharger - requires enrichment

Typewriter

Typewriter - requires enrichment

Typewriter with QWERTY keyboard

Typewriter with QWERTY keyboard - requires enrichment

Tyrian purple

Tyrian purple - requires enrichment

Ultracentrifuge

Ultracentrifuge - requires enrichment

Ultramarine

Ultramarine - requires enrichment

Ultramicroscope

Ultramicroscope - requires enrichment

Umami

Umami - requires enrichment

Umbrella

Umbrella - requires enrichment

Universal Standard Time

Universal Standard Time - requires enrichment

Uranium

Uranium - requires enrichment

Uranium-235

Uranium-235 - requires enrichment

Usenet

Usenet - requires enrichment

V8 engine

V8 engine - requires enrichment

Vacuum flask

Vacuum flask - requires enrichment

Vacuum fluorescent display

Vacuum fluorescent display - requires enrichment

Vacuum pan

Vacuum pan - requires enrichment

Vacuum pump

Vacuum pump - requires enrichment

Van de Graaff generator

Van de Graaff generator - requires enrichment

Vanadium

Vanadium - requires enrichment

Vanilla hand-pollination

Vanilla hand-pollination - requires enrichment

Vapor-compression refrigeration system

John Gorrie made a similar attempt a few years latter, in 1842

Variolation

Variolation - requires enrichment

Vector bombsight

Vector bombsight - requires enrichment

Vending machine

Vending machine - requires enrichment

Ventilator

Ventilator - requires enrichment

Verdigris

Verdigris - requires enrichment

Verge escapement and foliot

Verge escapement and foliot - requires enrichment

Vermilion

Vermilion - requires enrichment

Verneuil method

Verneuil method - requires enrichment

Vernier scale

Vernier scale - requires enrichment

Vibraphone

Vibraphone - requires enrichment

Video camera tube

first video camera tube: the Image dissector. Soon replaced by the iconoscope and then other designs

Video display controller

Video display controller - requires enrichment

Video game

arguably the first video game

Video game console

Video game console - requires enrichment

Video tape recorder

Video tape recorder - requires enrichment

Videocassette and videocassette recorder

Videocassette and videocassette recorder - requires enrichment

Videotex

Videotex - requires enrichment

Vielle

Vielle - requires enrichment

Vihuela

Vihuela - requires enrichment

Vinegar

Vinegar - requires enrichment

Vinyl

Vinyl - requires enrichment

Vinyl record

Vinyl record - requires enrichment

Viola da gamba

Viola da gamba - requires enrichment

Violin, viola, and cello

Violin, viola, and cello - requires enrichment

Virtual assistant

Virtual assistant - requires enrichment

Visible-light LED

Visible-light LED - requires enrichment

Visual receptive field

Visual receptive field - requires enrichment

Vitreous enamel

Vitreous enamel - requires enrichment

Vocoder

Vocoder - requires enrichment

Volley gun

Volley gun - requires enrichment

Voltaic pile

Voltaic pile - requires enrichment

Von Neumann architecture

Von Neumann architecture - requires enrichment

Vulcanized rubber

Vulcanized rubber - requires enrichment

Wagonway

the Diolkos, built to move ships across the isthmus of Corinth

Walkie-talkie

Walkie-talkie - requires enrichment

War wagon

War wagon - requires enrichment

Warp knitting frame

Warp knitting frame - requires enrichment

Washing machine

Washing machine - requires enrichment

Water clock

May need to split this entry into various regional water clocks. This entry currently reflects Egyptian clocks.

Water frame

Water frame - requires enrichment

Water glass

Water glass - requires enrichment

Water organ

Ctesibius' most commonly known invention today is a pipe organ (hydraulis), a predecessor of the modern church organ.

Water turbine

Water turbine - requires enrichment

Water wheel (China)

Water wheel (China) - requires enrichment

Water wheel (Greece)

Water wheel (Greece) - requires enrichment

Water-driven astronomical clock

Water-driven astronomical clock - requires enrichment

Water-powered blast furnace

Water-powered blast furnace - requires enrichment

Waterproof concrete

Waterproof concrete - requires enrichment

Watt steam engine

Watt steam engine - requires enrichment

Wave–particle duality of matter

Wave–particle duality of matter - requires enrichment

Wax tablet

Wax tablet - requires enrichment

Wearable pacemaker

Wearable pacemaker - requires enrichment

Weather forecasting

Weather forecasting - requires enrichment

Weathering steel

Weathering steel - requires enrichment

Weaving

Weaving was not invented in a single stroke. It emerged from millennia of experimentation with plant fibers—twisting, knotting, plaiting—until someone...

Web browser

Web browser - requires enrichment

Western concert flute

Western concert flute - requires enrichment

Whale oil

Whale oil - requires enrichment

Whaling

Whaling did not emerge to hunt for sport. It emerged to harvest the largest animals on Earth—mobile mountains of calories, oil, and materials that cou...

Wheelbarrow

Wheelbarrow - requires enrichment

Wheelchair

Wheelchair - requires enrichment

Wheellock

Sometimes attributed to Leonardo da Vinci, in a drawing from the 1490s or the 1500s, but may also be from an anonymous German mechanic.

White lead

White lead - requires enrichment

White LED

White LED - requires enrichment

White phosphorus match

White phosphorus match - requires enrichment

White phosphorus munition

White phosphorus munition - requires enrichment

Whiteprint

Whiteprint - requires enrichment

Wi-Fi

Wi-Fi - requires enrichment

Wide-area computer network

Wide-area computer network - requires enrichment

Wiki

Wiki - requires enrichment

Williams tube memory

Williams tube memory - requires enrichment

Wimshurst influence machine

Wimshurst influence machine - requires enrichment

Wind turbine

first windmill for producing electricity. There's also a contender in Vienna a few years before (1883)

Winepress

Winepress - requires enrichment

Wire recording

Wire recording - requires enrichment

Wire wheel

Eugène Meyer got a patent in 1868, but the invention goes back to 1808

Wireless computer network

Wireless computer network - requires enrichment

Wireless telegraphy

Wireless telegraphy - requires enrichment

Wirephoto

Wirephoto - requires enrichment

Wood gas and thermolamp

Wood gas and thermolamp - requires enrichment

Woodblock printing

Woodblock printing - requires enrichment

Word processor software

Word processor software - requires enrichment

World map

World map - requires enrichment

World Wide Web

World Wide Web - requires enrichment

Worm drive roller gin

13th or 14th century: Worm gear cotton gin in Peninsular India (i.e. probably under the Yadava dynasty although may also be the Vijayanagara Empire or...

Wristwatch

Wristwatch - requires enrichment

Writing (China)

Writing (China) - requires enrichment

Writing (Egypt)

Egyptian writing did not emerge to copy Mesopotamian cuneiform. It emerged to solve distinctly Egyptian problems—recording royal power, labeling grave...

Writing (Mesoamerica)

Controversial

Writing (Mesopotamia)

Writing did not emerge to record poetry or myth. It emerged to count sheep—or more precisely, to track the complex economic transactions of temple adm...

X-Acto knife

X-Acto knife - requires enrichment

X-ray

X-ray - requires enrichment

X-ray crystallography

X-ray crystallography - requires enrichment

X-ray tube

X-ray tube - requires enrichment

Xenon

Xenon - requires enrichment

Xerography

Xerography - requires enrichment

Xun lei chong

a revolving-barrel, spear-combined musket

Xylophone

Xylophone - requires enrichment

Yablochkov candle

Yablochkov candle - requires enrichment

Yagi–Uda antenna

Yagi–Uda antenna - requires enrichment

Yakhchāl

Yakhchāl - requires enrichment

Yale pin-tumbler lock

modern lock design

Yellow LED

Yellow LED - requires enrichment

YInMn blue

YInMn blue - requires enrichment

Yttrium

Yttrium - requires enrichment

Zeppelin

first Zeppelin: LZ 1

Zinc finger

Zinc finger - requires enrichment

Zinc smelting

Zinc smelting - requires enrichment

Zinc white

Zinc white - requires enrichment

Zinc-finger nuclease genome editing

Zinc-finger nuclease genome editing - requires enrichment

Zippe-type centrifuge

Technique for uranium enrichment

Zipper

Zipper - requires enrichment

Zirconium

Zirconium - requires enrichment

Zither

Zither - requires enrichment

Zoom lens

Zoom lens - requires enrichment

Zoopraxiscope

Zoopraxiscope - requires enrichment