Quote:
Originally Posted by ConnClark
In short they are like windmills for heat.
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Whose tagline says "That's not how windmills work!"?
When I was in elementary school we had some assembly where a man had a girl hold a tile made from sand. He said it was like what what the space shuttle used. He put a torch to the tile and asked the girl to tell us if she felt the heat.
Could you put insulation between a heat source and the ambient air and then use that differential?