An innovative new technique inspired by nature saves energy by allowing for the production of ceramics at room temperature.
The technique, called cold sintering, replaces the intense heat of typical kilns with pressure and water, much in the same way sedimentary rock forms over millions of years. Powdered calcium carbonate was mixed with water and put into a mold, where it was then compacted by a hydraulic press to form a solid. The process takes about an hour, and the final product is said to be as stiff as stone and able to withstand ten times more force than concrete.
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