We Know Why Ancient Roman Concrete Lasts Thousands of Years

15 tomcam 2 5/18/2025, 1:39:05 AM sciencealert.com ↗

Comments (2)

mitthrowaway2 · 1h ago
Interesting. It's not just the absence of rebar, and it's not survivorship bias. It's a hot-mixing method that results in both rapid curing times, and self-healing of cracks. A lost technology, rediscovered.
chmod775 · 1h ago
> The team is now working on commercializing their concrete as a more environmentally friendly alternative to current concretes.

That may be rough, given they won't be able to patent it due to prior art...