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Americas, University of the

(Encyclopedia)Americas, University of the, at Cholula, Puebla, Mexico; founded 1940 as Mexico City College. The school achieved university status in 1963. It has faculties of administration, basic sciences, enginee...

Broglie, Louis Victor, duc de

(Encyclopedia)Broglie, Louis Victor, duc de, 1892–1987, French physicist. In 1928 he became professor in the faculty of sciences, Univ. of Paris. It was known from the earlier quantum theory that light waves some...

wave, in the earth sciences

(Encyclopedia)CE5 A. Diagram of wave: Wave travels one wavelength during one period B. Diagram of wave: Phase relationships wave, in oceanography, an oscillating movement up and down, of a body of water caused ...

Karpinsky, Alexander Petrovich

(Encyclopedia)Karpinsky, Alexander Petrovich əlyĭksänˈdər pētrôˈvĭch kärpēnˈskē [key], 1846–1936, Soviet geologist. From 1869 to 1885 he was at the Mining Institute, St. Petersburg as student and tea...

Urban League, National

(Encyclopedia)Urban League, National, voluntary nonpartisan community service agency, founded in 1910, whose goal is to help end racial segregation and discrimination in the United States, especially toward African...

Canadian National Railway

(Encyclopedia)Canadian National Railway, rail system in Canada and the United States, extending from coast to coast in Canada with many branch lines in each province and in the United States. The system began as an...

Shenandoah National Park

(Encyclopedia)Shenandoah National Park, 198,081 acres (80,195 hectares), N Va., extending 80 mi (129 km) along the crest of the Blue Ridge. Authorized in 1926, it was fully established as a national park in 1935. S...

Almaty

(Encyclopedia)Almaty ălˌmə-ətäˈ [key], city (2020 pop. 1,896,000), SE Kazakhstan, in the foothills of the Trans-Ili Alatau, within but independent of Almaty prov. A terminus of th...

Forillon National Park

(Encyclopedia)Forillon National Park fôˌrēyōNˈ [key], 92 sq mi (238 sq km), at the tip of Forillon Peninsula, SE Que., Canada, near Gaspé; est. 1970. On the Gulf of St. Lawrence, the park has a scenic coastal...

Gates of the Arctic National Park and Preserve

(Encyclopedia)Gates of the Arctic National Park and Preserve, N Alaska. Located N of the Arctic Circle, the park (7,523,898 acres/3,046,113 hectares) and adjacent preserve (948,629 acres/384,060 hectares) make up t...