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Gerald Pearson Biography
inventorBorn: 31 March 1905Best Known as: co-creator of the silicon solar cell Gerald Pearson, along with Bell Labs colleagues Daryl Chapin and Calvin Fuller,…Argun
(Encyclopedia) ArgunArgunärˈg&oomacr;nˈ [key], Mandarin Ergun, river, 950 mi (1,529 km) long, rising in the Da Hinggan Mts., Heilongjiang prov., NE China, as the Hailar River and flowing W to the…Valtellina
(Encyclopedia) ValtellinaValtellinavältāl-lēˈnä [key], Alpine valley of the upper Adda River, c.75 mi (120 km) long, in Lombardy, N Italy, extending from Lake Como to the Stelvio Pass. The main towns…Chichimec
(Encyclopedia) ChichimecChichimecchēchēmĕkˈ [key], general term for the peoples of the Valley of Mexico between the periods of Toltec ascendancy and Aztec ascendancy. Before the 11th cent. the…Cuyahoga
(Encyclopedia) CuyahogaCuyahogakīˌəhōˈgə [key], river, c.80 mi (130 km) long, flowing SW through Cuyahoga Falls, then N to Lake Erie, NE Ohio, forming part of Cleveland harbor. By the late 1960s, the…Lehigh
(Encyclopedia) LehighLehighlēˈhī [key], river, 103 mi (166 km) long, rising in NE Pa. and flowing generally SE to the Delaware River at Easton. It flows through the Lehigh Valley, where rich…Alvord, Clarence Walworth
(Encyclopedia) Alvord, Clarence WalworthAlvord, Clarence Walworthălˈvərd [key], 1868–1928, American historian, b. Greenfield, Mass. He became (1901) an instructor in history at the Univ. of Illinois…Zeravshan
(Encyclopedia) ZeravshanZeravshanzyĕrəfshänˈ [key], river, c.460 mi (740 km) long, rising in the Turkistan Range of the Pamir-Alai mountain system, in Tajikistan. It flows westward through the…Nen, river, China
(Encyclopedia) NenNennŭn [key] or NonniNonninônˈnē [key], river, 740 mi (1,191 km) long, rising in the Yilehuli (Ilkuri) Mts., N Heilongjiang prov., NE China, and flowing south along the east side of…Yosemite National Park
(Encyclopedia) Yosemite National ParkYosemite National Parkyōsĕmˈĭtē [key], 748,436 acres (302,881 hectares), E central Calif.; est. 1890 as a result of the efforts of conservationist John Muir.…Trending
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