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Biosphere 2
(Encyclopedia)Biosphere 2, privately funded ecological research project in which eight people lived sealed in a 3.15-acre (1.28-hectare) structure for two years (Sept. 26, 1991–Sept. 26, 1993). Located in Oracle,...quantum chromodynamics
(Encyclopedia)quantum chromodynamics (QCD), quantum field theory that describes the properties of the strong interactions between quarks and between protons and neutrons in the framework of quantum theory. Quarks p...shock absorber
(Encyclopedia)shock absorber, device for reducing the effect of a sudden shock by the dissipation of the shock's energy. On an automobile, springs and shock absorbers are mounted between the wheels and the frame. W...vibration
(Encyclopedia)vibration, in physics, commonly an oscillatory motion—a movement first in one direction and then back again in the opposite direction. It is exhibited, for example, by a swinging pendulum, by the pr...Pople, Sir John Anthony
(Encyclopedia)Pople, Sir John Anthony pōpˈəl [key], 1925–2004, British computational chemist. Trained as a mathematician at Cambridge (B.A. 1946, Ph.D. 1951), he worked at Cambridge (1951–58) and England's N...Baie Comeau
(Encyclopedia)Baie Comeau bā kōˈmō [key], town, E Que., Canada, on the St. Lawrence River near the mouth of ...Poggendorff, Johann Christian
(Encyclopedia)Poggendorff, Johann Christian yōˈhän krĭsˈtyän pôgˈəndôrfˌ [key], 1796–1877, German physicist and chemist. He founded (1824) and edited the important Annalen der Physik und Chemie and edi...Kolar
(Encyclopedia)Kolar kōlärˈ [key], city (1991 pop. 83,287), Karnataka state, SW India. Manufactures include textiles and leather goods. Founded in the late 19th cent., Kolar was the center of the Indian gold-mini...current, electric
(Encyclopedia)current, electric, net movement or flow of electric charge from one point to another or across some boundary. See alternating current; direct current; electricity. ...Vaiont Dam
(Encyclopedia)Vaiont Dam, 858 ft (262 m) high, on the Vaiont River, a tributary of the Piave River, in Venetia, NE Italy, near Belluno. Vaiont Dam, one of the highest in the world, was completed in 1961 and is used...Browse by Subject
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