Roman concrete, capable of self-repair, inspires a US start-up

A start-up from MIT revives the recipe for Roman concrete, which has lasted for two millennia.

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The fact

The ancient material, used in the Pantheon or the Pont du Gard, cracks less than modern concretes.

Industrial tests could revolutionize sustainable construction in the United States.

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Auto-synthesis from 1 media source · identified on September 7, 2026