[Swiftwater Gazette] Swamp coolers

Ed kroposki kroposki at att.net
Thu Sep 28 06:48:06 EDT 2017

Swamp coolers are very old technology of cooling houses...[https://en.wikipedia.org/wiki/Evaporative_cooler]
Inthe first evaluation of evaporation as a renewable energy source, researchers find that US lakes and reservoirs could generate 325 gigawatts of power, nearly 70 percent of what the United States currently produces.
"Evaporationhas the potential to do a lot of work," he said. "It's nice to see that drying and wetting cycles can also be used to collect mechanical energy."

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