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A comment on 2,050-year-old Roman tomb offers insights on ancient concrete resilience.

Re:2,050-year-old Roman tomb offers insights on ancient conc... by white-flame on Tuesday October 12, 2021 @12:31AM (#28836077)
The actual ultra-tough material formed in Roman concrete seems to be Tobermorite: https://en.wikipedia.org/wiki/Tobermorite
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