image credit wikivisual TreeHugger has published a lot of posts about absorption refrigerators; they are common in off-grid situations and because they run on heat, they are possibly key to the holy grail of solar powered air conditioning . Jennifer Ouellette explains on io9 that Albert Einstein and Leo Szilard developed and patented an absorp… Read the full story on TreeHugger
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Einstein Invented A Fridge That Runs On Heat, Had No Moving Parts