Roman concrete

[Imperial Dave]

https://m.economictimes.com/news/international/us/a-construction-site-buried-by-mount-vesuvius-may-have-finally-explained-why-roman-concrete-lasted-for-thousands-of-years/articleshow/131007435.cms#google_vignette

Solid stuff...

[PhilM]

This seems to be entirely based on this paper, which is indirectly referred to but doesn't seem to be directly referenced.

https://www.nature.com/articles/s41467-025-66634-7

[Erpingham]

Roman concrete fans might have a ball by searching the forum for previous papers - we have a number.  This article , which claims to explain how Roman concrete lasts so well due to "hot mixing", might suggest that the new theory is not quite novel as it seems.

https://www.science.org/doi/10.1126/sciadv.add1602