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absolute zero

(Encyclopedia)absolute zero, the zero point of the ideal gas temperature scale, denoted by 0 degrees on the Kelvin and Rankine temperature scales, which is equivalent to −273.15℃ and −459.67℉. For most gase...

Mnuchin, Steven Terner

(Encyclopedia)Mnuchin, Steven Terner məno͞ochən [key], 1962–, U.S. business leader, b. New York City, grad. Yale, 1985. An investment banker, he joined Goldman Sachs in 1985, becoming a partner in 1994 and exe...

Avedon, Richard

(Encyclopedia)Avedon, Richard, 1923–2004, American photographer, b. New York City. Son of Russian-Jewish immigrants, he studied philosophy at Columbia, served in the photographic section of the U.S. Merchant Mari...

O'Toole, Peter

(Encyclopedia)O'Toole, Peter (Peter Seamus O'Toole), 1932–2013, British actor, b. Connemara, Ireland, grad. Royal Academy of Dramatic Art, London (1955). A classical stage actor, he appeared (1955–58) with the ...

Malle, Louis

(Encyclopedia)Malle, Louis lwē mäl [key], 1932–95, French film director, b. Thumeries, France. Malle's motion pictures are noted for their nonjudgmental approach to often taboo material, for which he sought to ...

kinetic art

(Encyclopedia)kinetic art, term referring to sculptured works that include motion as a significant dimension. The form was pioneered by Marcel Duchamp, Naum Gabo, and Alexander Calder. Kinetic art is either nonmech...

center of mass

(Encyclopedia)center of mass, the point at which all the mass of a body may be considered to be concentrated in analyzing its motion. The center of mass of a sphere of uniform density coincides with the center of t...

Cameron, James

(Encyclopedia)Cameron, James, 1954–, Canadian motion-picture director and screenwriter, b. Kapuskasing, Ont. Beginning as a screenwriter and then art director, he first directed in 1981. His science-fiction block...

buoy

(Encyclopedia)buoy boi, bo͞oˈē [key], float anchored in navigable waters to mark channels and indicate dangers to navigation (isolated rocks, mine fields, cables, and the like). The shape, color, number, and mar...

Wertheimer, Max

(Encyclopedia)Wertheimer, Max mäks vĕrtˈhīmər [key], 1880–1943, German psychologist, b. Prague. He studied at the universities of Prague, Berlin, and Würzburg (Ph.D., 1904). His original researches, while h...