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Deep Fission Plans to Sink Nuclear Reactors Deep Underground

By dropping a nuclear reactor 1.6 kilometers (1 mile) underground, Deep Fission aims to use the weight of a billion tons of ...

Best Black Friday vacuum deals: Up to 60% off Shark, Dyson, Bissell, Roborock, and more top floorcare

Learn moreVacuums, whether they're cordless, wet-dry, upright, or robot vacs, are among the hottest Black Friday items. And ...