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

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Physicists have made an ultra-powerful magnet that fits in the palm of a hand1.

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

References

- Gao, C. et al. Sci. Adv. 12, eadz5826 (2026).

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Materials science

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Mighty mini-magnet is low in cost and light on energy use