• Wed. May 12th, 2021


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‘Whitest ever’ paint reflects 98% of sunlight

Commercially available white paints reflect between 80% and 90% of sunlight, according to lead researcher Prof Xiulin Ruan from Purdue, in West Lafayette, Indiana. “It’s a big deal, because every 1% of reflectance you get translates to 10 watts per metre squared less heat from the Sun,” he explained.