How To Make An Electricity-Free Refrigerator

Posted on August 27, 2012

How To Make an Electricity-Free Refrigerator

From Gizmodo:

Conventional refrigeration does an incredible job keeping food fresh. But that technology hasn’t helped desert dwellers without steady electricity. A more recent development in refrigeration—the Zeer pot-in-pot refrigerator—only requires water, sand, and a hot, dry climate to preserve produce through evaporative cooling. Here’s how to make the simple gadget.

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