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The Bathysphere on display at the National Geographic museum in 2009. The Bathysphere (from Ancient Greek βαθύς (bathús) 'deep' and σφαῖρα (sphaîra) 'sphere') was a unique spherical deep-sea submersible which was unpowered and lowered into the ocean on a cable, and was used to conduct a series of dives off the coast of Bermuda from 1930 to 1934.
A pneumofathometer is a depth gauge which indicates the depth of a surface supplied diver by measuring the pressure of air supplied to the diver. Originally there were pressure gaues mounted on the hand cranked diver's air pump used to provide breathing air to a diver wearing standard diving dress , with a free-flow air supply, in which there ...
Katura Horton-Perinchief (born 26 February 1983) is a Bermudian diver. [1] She competed in the women's 3 metre springboard event at the 2004 Summer Olympics. [2] She also competed at the 2002 and 2006 Commonwealth Games. [3] Horton-Perinchief was the first black woman to compete in diving at the Olympics.
Black-water diving is mid-water diving at night, particularly on a moonless night. The environment is referred to as black-water. [7] [8] The term black-water may also be used to refer to diving in zero visibility, or in sewage. Christopher Newbert, author of Within a Rainbow Sea, (1984) is credited as an early black-water diver. [9]
The name is a portmanteau of the acronym VANTA (vertically aligned nanotube arrays) [5] and black. The original Vantablack coating was grown from a chemical vapour deposition process (CVD) and is claimed to be the "world's darkest material" absorbing up to 99.965% of visible light measured perpendicular to the material.
The site of the wreck was initially found in 2011 by a pair of brothers after a fisherman's net got stuck at the bottom of the sea, the navy said.
WASHINGTON (Reuters) -The fatal 2019 arrest of unarmed Black motorist Ronald Greene and its aftermath demonstrated serious failures at Louisiana State Police like the use of excessive force and ...
He receives assistance from Jo, a female medical student who works part-time in the New York Public Library. Brashear proves himself as a diver by rescuing a fellow student when his dive partner, Rourke, abandons him during a salvage exercise gone wrong. At Mr. Pappy's instruction, Rourke is awarded a medal, taking credit for Brashear's actions.