The road to low-carbon concrete

Ars Technica
By Knowable MagazineNov 19, 2022, 6:36 am285 pts
Enlarge / Cement works, Ipswich, Suffolk, UK. (Photo by BuildPix/Construction Photography/Avalon/Getty Images) (credit: Construction Photography/Avalon via Getty Images) Nobody knows who did it first, or when. But by the 2nd or 3rd century BCE, Roman engineers were routinely grinding up burnt limestone and…

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