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Mar 22, 2026, 7:00 am90 ptsTrending
Ars Technica
More than 13,000 feet below the surface of the Pacific Ocean, a more-than-70-ton machine trundled like a tank on its caterpillar tracks for a tenth of a mile—sucking up potato-sized nodules of rock packed with copper, manganese, cobalt, and nickel. It was 2022, and that pilot run of a subsea harvester by a…
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