China achieves a superconducting magnet of 35.6 teslas, 700,000 times stronger than Earth's magnetic field, setting a world ...
Morning Overview on MSN
Earth’s magnetic field nearly vanished in a terrifying close call
Roughly 42,000 years ago, Earth’s magnetic field weakened dramatically during the Laschamps geomagnetic excursion, allowing more cosmic radiation to reach the atmosphere. In a peer‑reviewed study of ...
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