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Boosted by cstanhope@social.coop ("Your friendly 'net denizen"):
jamey@toot.cat ("Jamey Sharp") wrote:
This is so cool, literally: DIY "cooling paint", that cools the surface it's painted on without using any energy, as long as it has a clear view of the sky. Even in direct sunlight it's a little cooler than the air around it, and it's much cooler at night. And you can make it with a blender and some ingredients from a grocery store. https://www.youtube.com/watch?v=KDRnEm-B3AI