Hiw does life survive pressure abyss10/4/2023 Now, if you're talking just a guy in the water, no cozy little capsule, the answer becomes less definitive. He collected some data from the bottom, but, alas, no car keys. Cameron's quasi-candy-bar-shaped craft was able to make the trip in half the time. In 2012 director James Cameron repeated the feat in Deepsea Challenger, a one-seater made chiefly of syntactic foama blend of tiny glass spheres and epoxy resin that not only floats (a good thing in a submarine, assuming one doesn't want to remain underwater forever) but also stands up to the extreme pressures at that depth. Don Walsh and Swiss oceanographer Jacques Piccard (no relation to Jean-Luc) sat through a nearly 5-hour descent in a submersible, then spent 20 just-to-say-we-did-it minutes on the bottom before surfacing. Two expeditions have successfully plumbed the almost-7-mile depths of the Challenger Deep. To go deeper, you'll have to travel to the bottom of the Challenger Deep, a section of the Mariana Trench under the Pacific Ocean 200 miles southwest of Guam. The deepest point ever reached by man is 35,858 feet below the surface of the ocean, which happens to be as deep as water gets on earth. Exactly how deep can a human being travel underwater using current technology?
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