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Pasadena
(Encyclopedia)Pasadena păsˌədēˈnə [key]. 1 City (1990 pop. 131,591), Los Angeles co., S Calif., at the base of the San Gabriel Mts.; inc. 1866. The city is a research and technological center with manufacture...flight
(Encyclopedia) CE5 Aircraft motions and control surfaces: Yaw, or motion to the left or right, is controlled by the rudder. Pitch, or climbing or dropping, is controlled by the elevators, which move in the same d...Princeton University
(Encyclopedia)Princeton University, at Princeton, N.J.; coeducational; chartered 1746, opened 1747, rechartered 1748, called the College of New Jersey until 1896. Established by the “New Light” (evangelical) ...aviation
(Encyclopedia)aviation, operation of heavier-than-air aircraft and related activities. Aviation can be conveniently divided into military aviation, air transport, and general aviation. Military aviation includes al...marine engine
(Encyclopedia)marine engine, machine for the propulsion of watercraft. The earliest marine power plants, reciprocating steam engines, were used almost exclusively until the early 1900s. In later ship construction t...cephalopod
(Encyclopedia) CE5 Internal anatomy of a squid, Loligo, representative mollusk of the class Cephalopoda cephalopod sĕfˈələpŏdˌ [key], member of the class Cephalopoda, the most highly organized group of mol...jet stream
(Encyclopedia)jet stream, narrow, swift currents or tubes of air found at heights ranging from 7 to 8 mi (11.3–12.9 km) above the surface of the earth. They are caused by great temperature differences between adj...airplane
(Encyclopedia) CE5 A. Side view of jet-propelled airplane B. Top view airplane, aeroplane, or aircraft, heavier-than-air vehicle, mechanically driven and fitted with fixed wings that support it in flight thro...McDonnell, James Smith
(Encyclopedia)McDonnell, James Smith, 1899–1980, American aviation pioneer, b. Denver, B.S. Princeton, 1921, M.S. Massachusetts Institute of Technology, 1925. He designed the Doodlebug (1929), a small monoplane, ...atlatl
(Encyclopedia)atlatl ätˈlätəl [key] [Nahuatl], device used to throw a spear with greater propulsion. Atlatls began to be used in the Americas in the post-Pleistocene period and were eventually replaced by the b...Browse by Subject
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