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- cross-posted to:
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Ultra-white ceramic cools buildings with record-high 99.6% reflectivity::undefined
Ultra-white ceramic cools buildings with record-high 99.6% reflectivity::undefined
If the light hits the ground and is scattered then nearly all of the energy stays in the planet and eventually heats the atmosphere. If it’s reflected, even though it must pass through the atmosphere again, some of the energy is rejected back into space.