vastly superior
A History and Future of the Rise of the Robots
R. David Dixon Jr.

That is at best a large overstatement. Modern pre-stressed concrete allows spans and construction that is simply impossible with Roman concrete (which lacked reinforcement). It has excellent salt-resistance, which can be valuable, but also can be compensated in modern mixes. The Romans did a lot for us, for which we should be grateful (python… :-) ), but there’s not a lot that hasn’t been improved very significantly.

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