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Super cool white paint basically creates ‘free air conditioning’ – CNET

The radiative cooling paint could help chill out houses, cars and even the planet.

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Purdue researchers Xiulin Ruan (left) and Joseph Peoples point an infrared camera at white paint samples on a rooftop.
Purdue University photo/Jared Pike
Ultra-black coatings and paints like Vantablack have gotten a lot of attention in recent years. What the world needs now is to cool off  (we’ve hit an unprecedented point in global warming), and a new white paint developed by engineers at Purdue University could help.
The paint reflects 95.5% of sunlight and “can keep surfaces up to 18 degrees…

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