Article tagged with: cooler

DIY Mini Fridge Keep’n It Cool in the 3rd World

DIY Mini Fridge Keep’n It Cool in the 3rd World

Posted on October 29, 2008 by Doug Gunzelmann .

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The Pot-In-Pot Cooler is an extremely simple device made from two pots, sand, and water. Used in rural areas and developing countries, where electricity is scarce and precious, the Pot-In-Pot Cooler uses the evaporative power of water to draw heat energy away from the contents.