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1.6 × 10 −5 quectometers (1.6 × 10 −35 meters) – the Planck length (Measures of distance shorter than this do not make physical sense, according to current theories of physics.) 1 qm – 1 quectometer, the smallest named subdivision of the meter in the SI base unit of length, one nonillionth of a meter.
Until the 19th century in England, the length of the fathom was more variable: from 5 + 1 ⁄ 2 feet on merchant vessels to either 5 or 7 feet (1.5 or 2.1 m) on fishing vessels (from 1.7 to 1.5 or 2.1 m). [14]
2.63 × 10 ^ −5: 7. ... figures are not available for many deep lakes in remote locations. [9] The average lake on Earth has the mean depth 41.8 meters (137.14 feet ...
Shortly afterwards, as a result of the Guinness organization’s change of regulations to being less restrictive, the record was awarded to a Hungarian diver and mountaineer Erno Tósoki dived a maximum of 2 meters (6.6 ft) deep, for about 10 minutes on altitude 6,382 meters (20,938 ft).
They are extremely abundant (between 5×10 12 and 1×10 13 phages per square meter) in sediments around the world. [29] Despite being so isolated deep sea organisms have still been harmed by human interaction with the oceans.
Their cruise was to test three new deep-sea landers, one uncrewed search submersible and the new Rainbow Fish 11,000-meter manned deep submersible, all capable of diving to 10,000 meters. From 25 to 27 December, three deep-sea landing devices descended into the trench.
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Pressure conversion between msw and fsw is slightly different from length conversion between metres and feet; 10 msw = 32.6336 fsw and 10 m = 32.8083 ft. [1] The US Navy Diving Manual gives conversion factors for "fw" (feet water) based on a fresh water density of 62.4 lb/ft 3 and for fsw based on a sea water density of 64.0 lb/ft 3. [1]