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Politics : The Environmentalist Thread

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To: maceng2 who wrote (22413)	7/21/2008 12:58:07 PM
From: Thomas A Watson	Read Replies (1) of 36918

It is not certain to me that you will get cooling. For cooling to occur the heat radiated must be able to exceed the rate ambient air will conduct heat back to the surface of the object maintaining it at the ambient air temp. I am not aware of any materials that have the properties required. It is an interesting problem. In any case the higher one goes in the atmosphere the air gets closer to the focal point of a more and more complete sphere surface that is 270 degrees colder than ice. A sphere with emissivity of 3K. or -270C

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