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chemosynthesis

(Encyclopedia)chemosynthesis, process in which carbohydrates are manufactured from carbon dioxide and water using chemical nutrients as the energy source, rather than the sunlight used for energy in photosynthesis....

wave, in physics

(Encyclopedia)wave, in physics, the transfer of energy by the regular vibration, or oscillatory motion, either of some material medium or by the variation in magnitude of the field vectors of an electromagnetic fie...

Mol

(Encyclopedia)Mol môl [key], commune (1991 pop. 30,763), Antwerp prov., N Belgium, near the Dutch border; founded in the 9th cent. It is a manufacturing city and the site of a Euratom nuclear research center. ...

McNaughton, Andrew George Latta

(Encyclopedia)McNaughton, Andrew George Latta məknôtˈən [key], 1887–1966, Canadian general, b. Saskatchewan. An artillery officer in World War I, he was later (1929–35) Canadian chief of staff. In World War...

Waxman, Henry Arnold

(Encyclopedia)Waxman, Henry Arnold, 1939–, U.S. congressman, b. Los Angeles, grad. Univ. of California, Los Angeles. (B.A., 1961; J.D., 1964). After serving (1969–74) in the California state assembly, he won (1...

perpetual-motion machine

(Encyclopedia)perpetual-motion machine, device that would be able to operate continuously and supply useful work, in violation of the laws of thermodynamics. A machine that would produce more energy in the form of ...

Kincardine, town, Canada

(Encyclopedia)Kincardine kĭnkärˈdĭn, kĭng– [key], town (1991 pop. 6,585), S Ont., Canada, on Lake Huron, W of Walkerton. It is a resort that depends largely on jobs provided by the Bruce Nuclear Power Develo...

reconnaissance satellite

(Encyclopedia)reconnaissance satellite, artificial satellite launched by a country to provide intelligence information on the military activities of foreign countries. There are four major types. Early-warning sate...

work

(Encyclopedia)work, in physics and mechanics, transfer of energy by a force acting to displace a body. Work is equal to the product of the force and the distance through which it produces movement. Although both fo...

Cockcroft, Sir John Douglas

(Encyclopedia)Cockcroft, Sir John Douglas, 1897–1967, English physicist, educated at the Univ. of Manchester and St. John's College, Cambridge. He was a fellow of St. John's College (1928–46) and professor of n...