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The latest weapon in the fight against climate change? This heat-bouncing paint – Digital Trends

Forget air conditioning. This white paint can cool buildings — and most anything else — below ambient temperature just by being applied to its surface.

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Most people are familiar with the idea that painting the roof of a building white can help cool it down by reflecting sunlight. But just how much temperature reduction is possible depends on the type of paint used. Since the 1970s, radiative cooling paints have been used to enhance this effect. However, no paints have been able to cool below the ambient temperature. Perhaps up until now, that is.
Engineers at Purdue University have developed a new formulation for white paint thats able to reduce…

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