Quantum computing gives rise to a clear window coating that cools buildings without using energy

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Using advanced computing methods and artificial intelligence, researchers have designed a clear window coating that lowers the temperature inside buildings. The coating could reduce the energy used to cool indoor spaces by 31 percent compared with normal glass windows in hot climates.

The material, reported in the journal ACS Energy Letters, lets visible light through, but blocks the sun’s warming infrared and ultraviolet rays. It also radiates heat from the window at a wavelength that passes through the atmosphere into outer space.