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Metabolism (/ m ə ˈ t æ b ə l ɪ z ə m /, from Greek: μεταβολή metabolē, "change") is the set of life-sustaining chemical reactions in organisms.The three main functions of metabolism are: the conversion of the energy in food to energy available to run cellular processes; the conversion of food to building blocks of proteins, lipids, nucleic acids, and some carbohydrates; and the ...
Communication with submarines is a field within military communications that presents technical challenges and requires specialized technology. Because radio waves do not travel well through good electrical conductors like salt water, submerged submarines are cut off from radio communication with their command authorities at ordinary radio ...
Subtropics. The subtropical zones or subtropics are geographical and climate zones to the north and south of the tropics. Geographically part of the temperate zones of both hemispheres, they cover the middle latitudes from 23°26′10.0″ (or 23.43612°) to approximately 35° north and south. The horse latitudes lie within this range.
Turbo Sub. Turbo Sub is a first-person shoot 'em up released in arcades by Entertainment Sciences in 1985. [3] Aliens have attacked the planet and the player fights them beneath the ocean using a submersible ship. [4] Six years after the arcade original, Atari Corporation published a Lynx version, which adds a two-player mode.
Narco-submarine. A narco-submarine (also called a drug sub or narco-sub) is a type of custom ocean-going, self-propelled, semi-submersible or fully- submersible vessel built by (or for) drug smugglers. [2] [3] [4] Newer semi-submersibles are "nearly-fully" submersible in order to reduce likelihood of detection by visual, radar, sonar, or ...
In 2000, work on the submarine was intensified. In June 2002, now serving in the Russian Navy, TK-208 finally left the Severodvinsk dry dock. After 12 years of overhaul and modifications, she had now received the name Dmitriy Donskoy, named after the Grand Duke of Moscow Dmitry Donskoy (1359–1389), the reputed founder of Moscow.
A multiple-vortex tornado outside Dallas, Texas, on April 2, 1957. A multiple-vortex tornado is a tornado that contains several vortices (called subvortices or suction vortices) revolving around, inside of, and as part of the main vortex. The only times multiple vortices may be visible are when the tornado is first forming or when condensation ...
Submarine tender. USS Frank Cable (back of picture), one of two submarine tenders maintained by the United States Navy. The attack submarine USS Salt Lake City (SSN-716) is in the foreground. A submarine tender, in British English a submarine depot ship, is a type of depot ship that supplies and supports submarines .