This new kind of window coating keeps interiors cool without air conditioning

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Relaxnews

By Fahroni / Getty Images American and South Korean researchers have developed a transparent window coating with properties that can cool the inside of buildings by “blocking” the sun’s heat. A building covered with this type of solution could theoretically save a third of the energy usually expended on air conditioning. American and South Korean researchers have developed a transparent window coating with properties that can cool the inside of buildings by “blocking” the sun’s heat. A building covered with this type of solution could theoretically save a third of the energy usually expended o…

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