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non-Euclidean geometry
(Encyclopedia)non-Euclidean geometry, branch of geometry in which the fifth postulate of Euclidean geometry, which allows one and only one line parallel to a given line through a given external point, is replaced b...Redmond
(Encyclopedia)Redmond, city (1990 pop. 35,800), King co., W Wash., a suburb of Seattle, on Lake Sammamish; inc. 1912. Its economy centers around computer software (Microsoft Corp. is located there); research and de...Pavilion Lake
(Encyclopedia)Pavilion Lake, lake, 3.6 mi (5.8 km) long, 2,625 ft (800 m) wide, and 213 ft (65 m) deep at its maximum depth, in Marble Canyon at the S end of the Marble Range near Cache Creek, S British Columbia, C...Yerkes, Robert Mearns
(Encyclopedia)Yerkes, Robert Mearns yûrˈkēz [key], 1876–1956, American psychologist, b. Bucks co., Pa., grad. Harvard (B.A. 1898; Ph.D.1902). He taught (1902–17) at Harvard, served (1919–24) on the Nationa...Maryland, University of
(Encyclopedia)Maryland, University of, at College Park; coeducational; land-grant and state supported; chartered 1856 and opened 1859 as Maryland Agricultural College, renamed Maryland State College 1916, consolida...Itasca, Lake
(Encyclopedia)Itasca, Lake ītăsˈkə [key], shallow lake, 2 sq mi (5.2 sq km), in a pine-wooded swampy region, NW Minn. Henry R. Schoolcraft identified the lake (1832) as the source of the Mississippi; stepping s...Pennsylvania State University
(Encyclopedia)Pennsylvania State University, main campus at University Park, State College; land-grant and state supported; coeducational; chartered 1855, opened 1859 as Farmers' High School. It was named the Agric...Pittsburgh
(Encyclopedia)Pittsburgh pĭtsˈbərg [key], city (1990 pop. 369,879), seat of Allegheny co., SW Pa., at the confluence of the Allegheny and the Monongahela rivers, which there form the Ohio River; inc. 1816. A maj...Field Museum of Natural History
(Encyclopedia)Field Museum of Natural History, in Chicago, Ill. Founded in 1893 through the gifts of Marshall Field and others, it was first known as the Columbian Museum of Chicago and in 1905 was renamed in honor...New London
(Encyclopedia)New London, city (1990 pop. 24,540), New London co., SE Conn., on the Thames River near its mouth on Long Island Sound; laid out 1646 by John Winthrop, inc. 1784. It is a deepwater port of entry, with...Browse by Subject
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