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Low Angle view of the Colosseum Amphitheater in Rome against blue sky background.

These Chemists Cracked the Code to Long-Lasting Roman Concrete

Source: ScienceNews

Its formula long forgotten, the mystery of why Roman concrete remained strong over several millennia when more modern versions crumbled much faster has long baffled scientists and engineers. But now the secret of “self-healing” concrete has been rediscovered and it could lead to a construction revolution more than 2,000 years after it was first discovered.