After 2000 years, the secret to Roman concrete's durability has been rediscovered.
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Last week, a team from MIT finally cracked the recipe to reproduce the self healing concrete that can survive ocean exposure and centuries of weathering without cracking.

0:00 Why Roman Concrete Never Crumbles
1:07 The History of Roman Concrete
4:39 The Search for the Recipe
7:21 Proving It
8:56 The 'What Now?' Chapter

#Roman #concrete #discovery

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