RESEARCH HIGHLIGHT

20 March 2026

A compact device can produce a magnetic field that is more than 800,000 times stronger than Earth’s.

Techniques such as nuclear magnetic resonance require strong magnetic fields. Credit: Sakkmesterke/SPL

Physicists have made an ultra-powerful magnet that fits in the palm of a hand 1 .

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Nature 651 , 857 (2026)

doi: https://doi.org/10.1038/d41586-026-00851-y

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