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2026.11.11 13:00

A Submarine Is Built to Float. To Dive, It Drinks the Sea ? #howitworks #tech #ai

  • Stellar Lab Cre… 9시간 전 2026.11.11 13:00 새글인기
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A submarine is built to float. To dive, it drinks the sea. You'd think it's just heavy metal that sinks. But around the hull are ballast ...
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