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  • How To Make An Electricity-Free Refrigerator

    How To Make An Electricity-Free Refrigerator

    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.