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torpedo , in naval warfare

(Encyclopedia)torpedo, in naval warfare, a self-propelled submarine projectile loaded with explosives, used for the destruction of enemy ships. Although there were attempts at subsurface warfare in the 16th and 17t...

Common Cause

(Encyclopedia)Common Cause, U.S. organization that seeks a “reordering of national priorities and revitalization of the public process to make our political and governmental institutions more responsive to the ne...

fusion

(Encyclopedia)fusion, in physics. 1 The change of a substance from the solid to the liquid state, also known as melting. The heat given up by a unit mass of a substance during fusion is called the latent heat of fu...

Myrdal, Alva

(Encyclopedia)Myrdal, Alva älˈvä mĭrˈdäl, Swed. mürˈdäl [key], 1902–86, Swedish sociologist, diplomat, and political leader. As a sociologist in the 1930s, she initiated a national program establishing s...

McDonald, Arthur Bruce

(Encyclopedia)McDonald, Arthur Bruce, 1943–, Canadian astrophysicist, Ph.D. California Institute of Technology, 1969. McDonald was a researcher at the Chalk River Nuclear Laboratories in Ottawa, Canada, from 1970...

Voronezh

(Encyclopedia)Voronezh Rus. vərôˈnyĭsh [key], city (1989 pop. 887,000), capital of Voronezh region, central European Russia, on the Voronezh River. A river port and a major industrial center in a black-earth ag...

Schelling, Thomas Crombie

(Encyclopedia)Schelling, Thomas Crombie, 1921–2016, American economist and political scientist, b. Oakland, Calif., Ph.D. Harvard, 1951. He worked in the federal government before teaching at Yale (1953–58), Ha...

Sakharov, Andrei Dmitriyevich

(Encyclopedia)Sakharov, Andrei Dmitriyevich, 1921–89, Soviet nuclear physicist and human-rights advocate; first Soviet citizen to receive the Nobel Peace Prize (1975). From 1948 to 1956 he helped to develop the U...

Cedar Rapids

(Encyclopedia)Cedar Rapids, city (2020 pop. 137,710), seat of Linn co., E central Iowa, on the Cedar River; inc. as a city 1856. The second largest city in Iowa, it i...

Carter, Ashton Baldwin

(Encyclopedia)Carter, Ashton Baldwin, 1954–, U.S. political scientist and government official, b. Philadephia, Pa. Trained as a theoretical physicist, he shifted to the study of ballistic missiles and internation...