Modern Portland cement
TL;DR
Modern Portland cement - requires enrichment with adjacent possible narrative
Significantly distinct from the original Portland cement of 1824, developed by William Aspdin's father Joseph. Priority disputed between Willam Aspdin and Isaac Charles Johnson.
What Had To Exist First
Enabling Materials
- Portland cement
What This Enabled
Inventions that became possible because of Modern Portland cement:
Biological Patterns
Mechanisms that explain how this invention emerged and spread: