A material that emits less energy than it absorbs has the potential to save some of the sunlight wasted by solar collectors.

Beginning in the 1960s, satellite instruments have measured Earth's reflected broadband shortwave radiation and emitted ...

It is possible to make a material emit more radiation than it absorbs, violating the laws of physics in a way that could make energy-harvesting devices more efficient ...

A research team led by Dr. Shen Jinhua from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences has investigated rapid spatiotemporal vertical electric currents (VECs) ...

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