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Purcell, Edward Mills

(Encyclopedia)Purcell, Edward Mills, 1912–97, American physicist, b. Taylorville, Ill., Ph.D. Harvard, 1938. During World War II, Purcell was a researcher at the Massachusetts Institute of Technology Radiation La...

Bevan, Aneurin

(Encyclopedia)Bevan, Aneurin ənīˈrĭn bĕˈvən [key], 1897–1960, British political leader. A coal miner and trade unionist, he served (1929–60) in Parliament as a member of the Labour party. As minister of ...

Yang, Chen-ning

(Encyclopedia)Yang, Chen-ning chĕn-nĭng yäng [key], 1922–, American physicist, b. China, Ph.D. Univ. of Chicago, 1948. Yang was a member of the Institute for Advanced Study at Princeton, N.J. from 1949 to 1955...

Saint-Étienne

(Encyclopedia)Saint-Étienne săNtātyĕnˈ [key], city (1990 pop. 201,569), capital of Loire dept., SE France, in the Massif Central. The metropolitan region occupies much of what was once a major coal-mining and ...

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...

particle accelerator

(Encyclopedia)CE5 Linear accelerator (LINAC) CE5 Cyclotron: As the charged particles move faster, they spiral out to the edge of the Ds. particle accelerator, apparatus used in nuclear physics to produce bea...

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...

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...