How Roman Concrete Still Survives Today
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YouTubeExplainerFilms
How Roman Concrete Still Survives Today
Roman concrete has survived 2,000 years — while modern concrete crumbles in decades. The secret? Ancient engineers used volcanic ash and lime that could heal itself when cracks formed. When water seeped in, it triggered a chemical reaction that resealed the damage. Two millennia later, their mix is still holding up entire cities. Here’s the ...
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