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New metamaterial enhances natural cooling without power input

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Category: Science News Archive (2017)

A new metamaterial film provides cooling without needing a power input. Made out of glass microspheres, polymer and silver, the material uses passive radiative cooling to dissipate heat from the object it covers. It emits the energy as infrared radiation and also reflects solar light. A team at the University of Colorado Boulder (CU-Boulder) in the US developed the material after receiving a $3m federal grant from the US Department of Energy's Advanced Research Projects Agency-Energy (ARPA-E) in 2015.

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