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A wheel weighted with swinging mallets. A cylinder rotating in a sealed, water-filled container. A siphon that transfers liquid back and forth in a seemingly endless loop. These may sound like the ...
Perhaps the most persistent nonsense in physics: the perpetual motion machine. Bad ideas come and go in physics. But there’s one bit of nonsense that is perhaps more persistent than all others: the ...
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Is this a real perpetual motion device?
This experiment puts a supposed perpetual motion device to the test. We break down how it works, what physics says should happen, and whether the motion can actually last without an external energy ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
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Discovering Perpetual Motion and the Egg of Columbus
The Action Lab explores the fascinating science behind perpetual motion and the famous Egg of Columbus experiment. ‘Cool’ people tend to have these six things in common, study finds ‘I feel slighted’: ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
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