The US Navy is working on a radical new submarine that will slice through the ocean so fast that, even before you are halfway through watching 'Oppenheimer,' it will have zipped underwater from New York to London. - Luxurylaunches

Subma 1.4 e could travel at 5,800km/h 925mph mph) underwater, at least theoretically.

Researchers are using technology called supercavitation that envelopes a submerged vessel inside an air bubble to mitigate drag.

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