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Sep 23, 2026, 9:37 am74 ptsTrending
Ars Technica
Look around you, and you’ll see rare earth elements at work. A phone vibrates because a magnet moves a weight. Its screen was polished with cerium powder. Its connection to the rest of the world crosses oceans on cables amplified with erbium. If you drove today, a rare earth magnet helped you steer, and a…
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