MIT

The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts, USA. Founded in 1861, it is widely known for research in science, engineering, and technology.

Ancient Roman concrete lasts 2,000 years by healing itself. In 2023 MIT found the lime specks in it were deliberate, not careless. When water enters a crack, the lime dissolves into calcium that reacts with CO2, sealing it as Calcium carbonate.

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