Cooling panels for buildings send heat into space

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Low energy refrigeration and air conditioning is being tested via a group of Stanford University scientists’ optical surface cooling panels. Radiative sky cooling is a natural process that happens as soon as molecules release heat. The heat travels upwards, eventually reaching space, where the vast cold absorbs it. The panel design has been in development since 2013, with a recent update being the successful test of an optical film that reflects light, allowing the natural cooling process to take place even on sunny days. On a test site in Los Angeles, the team was able to cool running water by…

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