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Espinel, Vicente Martínez

(Encyclopedia)Espinel, Vicente Martínez vēthānˈtā märtēˈnāth āspēnĕlˈ [key], 1550–1624, Spanish writer, musician, and adventurer. Espinel was notorious for his dissolute life, which his holy vows, ta...

Oistrakh, David Feodorovich

(Encyclopedia)Oistrakh, David Feodorovich oiˈsträk [key], 1908–74, Ukrainian violinist, b. Odessa. Encouraged by his father, an amateur violinist, he began to study his instrument at the age of five. He graduat...

spirit level

(Encyclopedia)spirit level, tool for determining whether a surface is horizontal. It consists essentially of a slightly bent transparent tube that is held in a frame. The tube contains some alcohol, ether, or simil...

Watt, James

(Encyclopedia)Watt, James, 1736–1819, Scottish inventor. While working at the Univ. of Glasgow as an instrument maker, Watt was asked to repair a model of Thomas Newcomen's steam engine. He devised improvements t...

avalanche

(Encyclopedia)avalanche, rapidly descending large mass of snow, ice, soil, rock, or mixtures of these materials, sliding or falling in response to the force of gravity. Avalanches, which are natural forms of erosio...

MacCready, Paul Beattie

(Encyclopedia)MacCready, Paul Beattie, 1925–2007, American engineer and inventor known for his achievements in human-powered flight, b. New Haven, Conn., Ph.D. California Institute of Technology, 1952. In 1997 he...

Midas

(Encyclopedia)Midas mīˈdəs [key], in Greek mythology, king of Phrygia. Because he befriended Silenus, the oldest of the satyrs, Dionysus granted him the power to turn everything into gold by touch. But when even...

Muni, Paul

(Encyclopedia)Muni, Paul myo͞oˈnē [key], 1895–1967, American actor, b. Austria, whose original name was Muni Weisenfreund. His parents brought him to the United States in 1902 and from 1903 to 1913 toured with...

kite, in aviation and recreation

(Encyclopedia)kite, in aviation, aircraft restrained by a towline and deriving its lift from the aerodynamic action of the wind flowing across it. Commonly the kite consists of a light framework upon which paper, s...

Rapid City

(Encyclopedia)Rapid City, city (1990 pop. 54,523), seat of Pennington co., SW S.Dak., on Rapid Creek, in an irrigated farm region served by the Bureau of Reclamation's Rapid Valley project; founded 1876 after the d...