Image of a series of concrete walls - Emanuele Cremaschi/Getty Images You walk on concrete every day without thinking about it. That sidewalk, your driveway, the foundation of every building around ...
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Self-healing 'concrete batteries' now 10 times better — they could one day power cities, scientists say
Called ec³, the material is made by combining cement and water with a liquid electrolyte and carbon powder — both readily available.
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