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Butterfly-inspired films create vibrant colors while passively cooling objects (phys.org)

submitted 1 year ago by sam_uk@lemmy.world to c/solarpunk

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On a hot summer day, white clothing feels cooler than other colors due to reflecting—not absorbing—sunlight. Other colors like blue or black, will undergo a heating effect as they absorb light. To circumvent this heating effect in colored cooling films, researchers drew inspiration from nanostructures in butterfly wings.

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[–] Darthjaffacake@lemmy.world 2 points 1 year ago

Had the pleasure of doing a work experience in a university research lab on photonic structures made of crystal cellulose and can confirm they're very very kool! The ideas have been around for a long while but now they're really kicking into gear with pigment replacement that's biodegradable