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White Solar-Reflectance Paint Reduces Need for Air Conditioning

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A team from Purdue University has developed an improved ultrawhite paint that, tests showed, reflected nearly 98% of sunlight — compared to 95.5% of sunlight that an earlier version of the paint reflected following its introduction in October 2020. Applied to, or coated on a surface, the paint also directs incoming infrared heat away from the surface. The paint is poised to lessen the need for air conditioning; attempts to develop radiative cooling paint as an alternative to traditional air conditioners have been ongoing since the 1970s. It also achieved full functionality in cold...Read full article

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