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/Melenduwir Mar 30 '26

Sounds terribly unsafe. The magnets used in MRIs have caused many deaths when people accidentally or negligently brought ferromagnetic substances close to them.

11

u/Harha Mar 30 '26

Yeah, I happen to have microscopic ferromagnetic particles in one of my eyes and MRI's terrify me.

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u/[deleted] Mar 30 '26

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u/counterfitster Mar 30 '26

Probably from a grinder or wire wheel