Stanford developes passive panel that cools without using power
April 16, 2013 1:44 AM Subscribe
Does it two ways. One: Reflects sunlight like a mirror to keep from heating up structure. Two: Uses a nano-patterned material that radiates infra-red heat (which it gets from being part of the building) at the wavelengths that penetrate the atmosphere without being absorbed. The reverse is what powers the well know greenhouse effect. They are claiming a net cooling of 100 watts per square meter with the panel. All without using power.
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