The Roman Empire fell more than a thousand years ago, but its concrete architecture still stands. That includes bridges and other structures that have lived out their lives in the briny environment of the sea. Compare that to our own modern bridges, which are generally designed to last about a century. How did the Romans pull that off? A 2017 study may finally have the answer.
What Doesn't Kill Me Makes Me Stronger
A Lost Recipe
How Seawater Strengthens Roman Concrete
Written by Curiosity Staff July 19, 2017
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