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🧲 Scientists built a fridge that runs on magnets, with no compressor and no chemicals. A spinning disc of magnets passes over a special metal that heats up as they approach and cools as they leave. Water carries the heat away. ❄️ You could hand-crank it to keep medicine...

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OMGFacts

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35,388 Aufrufe • vor 29 Tagen •via X (Twitter)

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