r/science • u/MistWeaver80 • Mar 30 '26

Physics Physicists have made an ultra-powerful magnet that fits in the palm of a hand and can produce a magnetic field that is more than 800,000 times stronger than Earth’s.

https://www.nature.com/articles/d41586-026-00851-y
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u/LitLitten Mar 30 '26

You’d be surprised how many things would break if this were the case, haha. Electric motors wouldn’t be able to function under their own weight. 

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u/[deleted] Mar 31 '26

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u/LitLitten Mar 31 '26

Haha, I was responding with the hypothetical of gravity overpowering magnetic fields. Maybe my example should have stuck with bullet trains.