How Deep Can a Human Dive Without Scuba Gear
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Exactly how deep tin can a human existence travel underwater using current technology?
The deepest point ever reached past man is 35,858 feet below the surface of the ocean, which happens to be as deep as water gets on earth. To go deeper, you'll take to travel to the lesser of the Challenger Deep, a department of the Mariana Trench under the Pacific Ocean 200 miles southwest of Guam. And you're going to demand a shovel.
Two expeditions accept successfully plumbed the almost-seven-mile depths of the Challenger Deep. In 1960 U.S. Navy Lt. Don Walsh and Swiss oceanographer Jacques Piccard (no relation to Jean-Luc) sabbatum through a near 5-hour descent in a submersible, so spent xx only-to-say-we-did-it minutes on the bottom earlier surfacing. In 2012 director James Cameron repeated the feat in Deepsea Challenger, a 1-seater fabricated chiefly of syntactic foama blend of tiny glass spheres and epoxy resin that not only floats (a good matter in a submarine, assuming 1 doesn't desire to remain underwater forever) just also stands up to the extreme pressures at that depth. Cameron'southward quasi-candy-bar-shaped craft was able to brand the trip in half the time. He collected some information from the bottom, but, alas, no car keys.
Now, if you're talking just a guy in the water, no cozy little capsule, the answer becomes less definitive. Officially, defined employed by the French underwater exploration outfit Comex (Compagnie Maritime d'Expertises), animate carefully formulated gas mixtures and employing an elaborate pressurization regime known as saturation diving, hold the depth tape of 1,752 feet. Unofficially, at to the lowest degree one person in a position to know suggests U.S. Navy divers may (flash, wink) take surpassed that depth, but details are, you guessed information technology, "classified."
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Source: https://www.popularmechanics.com/science/environment/a11136/how-deep-underwater-can-a-human-really-travel-17135739/
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