Insulation plus evaporation equals refrigeration.

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Insulation plus evaporation equals refrigeration.

Originally shared by Guy Kawasaki

No Electricity? A Low-Tech Refrigerator That Keeps Things Chilled http://bit.ly/2h9sffS

http://news.nationalgeographic.com/2016/12/mohammed-bah-abba-explorer-moments-cooling-technology-helping-Africans/

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