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Scowcroft, Brent

(Encyclopedia)Scowcroft, Brent, 1925–2020, U.S. air force general and government official, b. Ogden, Utah, B.S. United States Military Academy, 1947, Ph.D. Columbia, 1967. From 1947 to 1975, he served in the U.S....

peroxide

(Encyclopedia)peroxide pərŏkˈsīd [key], chemical compound containing two oxygen atoms, each of which is bonded to the other and to a radical or some element other than oxygen; e.g., in hydrogen peroxide, H2O2, ...

diving, deep-sea

(Encyclopedia)diving, deep-sea, act of descending into deep water, generally with some form of breathing apparatus, and remaining there for an extended period. It is used in fishing for sponges, coral, and pearls; ...

fan

(Encyclopedia)fan, device for agitating air or gases or moving them from one location to another. Mechanical fans with revolving blades are used for ventilation, in manufacturing, in winnowing grain, to remove dust...

radiator

(Encyclopedia)radiator, device used to heat an area surrounding it or to cool a fluid circulating within it. The familiar radiators of steam and hot water heating systems in buildings are misnamed, as they operate ...

Kingswood

(Encyclopedia)Kingswood, city (1991 pop. 54,736), South Gloucestershire, SW England. A residential suburb of Bristol, the city of Kingswood has printing and light engineering industries. The area is noted for its o...

sneeze

(Encyclopedia)sneeze, involuntary violent expiration of air through the nose and mouth. It results from stimulation of the nervous system in the nose, causing sudden contraction of the muscles of expiration. The st...

player piano

(Encyclopedia)player piano, an upright piano incorporating a mechanical system that automatically plays the encoded contents of a paper strip. This strip, perforated with holes whose position and length determine p...

Westinghouse, George

(Encyclopedia)Westinghouse, George, 1846–1914, American inventor and manufacturer, b. Central Bridge, N.Y. In the Civil War he served in the Union army and navy. Among his inventions in the railroad field were a ...

Waves

(Encyclopedia)Waves (Women Appointed for Voluntary Emergency Service), U.S. navy organization, created (1942) in World War II to release male naval personnel for sea duty. The organization was commanded until 1946 ...