When the power grid goes down or you’re living off the land, keeping food fresh climbs to the top of the list. Modern refrigerators need electricity you may not have. An ancient answer steps in. The Zeer pot, a clay pot refrigerator, uses clay, sand, and water to keep perishables cool. Egyptians used devices like […]
Original source: https://www.survivopedia.com/clay-pot-refrigeration-old-tech-that-still-cools-food/
