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Dog-faced pony soldier
Join Date: Feb 2004
Location: A Rock Surrounded by a Whole lot of Water
Posts: 34,187
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If it's a so-called "swamp cooler" it works off of simple evaporation. Evaporating water is a highly endothermic process and effective at removing heat.
http://en.wikipedia.org/wiki/Evaporative_cooling
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A car, a 911, a motorbike and a few surfboards
Black Cars Matter
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