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Redstone Arsenal

(Encyclopedia)Redstone Arsenal, U.S. rocket research and development center, 38,781 acres (15,694 hectares), N Ala., W of Huntsville; est. 1941. One of the state's largest industrial enterprises, it includes the Ar...

Battle of the Spurs

(Encyclopedia)Battle of the Spurs. 1 Fought in 1302 near Courtrai, Belgium, between the rebellious Flemish towns, led by Bruges, and an army sent by Philip IV of France, who had annexed Flanders in 1301. The French...

vertical takeoff and landing aircraft

(Encyclopedia)vertical takeoff and landing aircraft (VTOL), craft capable of rising and descending vertically from and to the ground, thus requiring no runway. While a balloon or an airship has obvious VTOL capabil...

ratite

(Encyclopedia)ratite rătˈīt [key], common and general term for a variety of flightless birds characterized by a flat, raftlike sternum rather than the keeled sternum, designed to support flight muscles, typical ...

Lehmann, Lotte

(Encyclopedia)Lehmann, Lotte lāˈmən, Ger. lāˈmän [key], 1888–1976, German-American soprano. Lehmann studied at the Berlin State Conservatory. She made her debut in Hamburg in 1910 and was a member of the Vi...

Benedict XI

(Encyclopedia)Benedict XI, d. 1304, pope (1303–4), an Italian (b. Treviso) named Niccolo Boccasini; successor of Boniface VIII. Prior to his election he had been master general of the Dominican order. As pope he ...

Olives, Mount of

(Encyclopedia)Olives, Mount of, or Olivet ŏlˈĭvĕt [key], ridge, E of Jerusalem, mentioned in the Old Testament as the scene of David's flight from the city, Ezekiel's theophany, and Zechariah's prophecy, and in...

skylark

(Encyclopedia)skylark, common name for a passerine songbird (Alauda arvensis) famous for the soaring, melodious flight of the courting male. Found in Europe (except in the Mediterranean area), it is 71⁄4 in. (18....

Runge, Philipp Otto

(Encyclopedia)Runge, Philipp Otto fēˈlĭp ôtˈō ro͝ongˈə [key], 1777–1810, German painter. Immersed in the mysticism of the romantic movement in Germany, Runge became a central figure of romantic painting....

aircraft carrier

(Encyclopedia)aircraft carrier, ship designed to carry aircraft and to permit takeoff and landing of planes. The carrier's distinctive features are a upper deck (flight deck) that is flat and sometimes sloped to fu...