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Müller, Karl Alexander

(Encyclopedia)Müller, Karl Alexander, 1927–, Swiss physicist, Ph.D. Swiss Federal Institute of Technology, 1958. In 1983, Müller and co-researcher Johannes Georg Bednorz discovered superconductivity in a cerami...

Hetch Hetchy Valley

(Encyclopedia)Hetch Hetchy Valley, in Yosemite National Park, central Calif., on the Tuolumne River. It once rivaled Yosemite Valley in beauty and grandeur. O'Shaughnessy Dam (completed 1923; enl. 1938) turned the ...

Gersoppa, Falls of

(Encyclopedia)Gersoppa, Falls of gərsŏpˈə [key], cataract of the Sharavati River, Karnataka state, SW India. It is one of the most spectacular natural beauties of India. The river cuts through the Western Ghats...

Imatra

(Encyclopedia)Imatra ĭmˈäträ [key], falls in the Vuoksijoki River, SE Finland, between Lake Saimaa (Finland) and Lake Ladoga (Russia). The river descends 60 ft (18 m) in a series of rapids c.1⁄2 mi (.8 km) lo...

Denison Dam

(Encyclopedia)Denison Dam, 17,200 ft (5,243 m) long, on the Red River along the Texas–Okla. border, NW of Denison, Tex. The dam, built by the U.S. Corps of Engineers for flood control and hydroelectric power, was...

Deschutes

(Encyclopedia)Deschutes dāsho͞otsˈ [key], river, c.240 mi (390 km) long, rising in several lakes in the Cascade Range, W central Oregon, and flowing NE to the Columbia River. The U.S. Bureau of Reclamation has d...

Comilla

(Encyclopedia)Comilla kōmĭlˈə [key], city, E Bangladesh, on the Gumti River. An administrative center on ...

Akhelóos

(Encyclopedia)Akhelóos or Achelous äkhĕlôˈôs [key], river, 137 mi (221 km) long, rising in the Pindus Mts., NW Greece, and flowing generally south, traversing many mountain gorges, and emptying into the Ionia...

Shawinigan

(Encyclopedia)Shawinigan shəwĭnˈĭgŭn [key], city (1991 pop. 19,931), S Que., Canada, on the St. Maurice River. Just north are the falls of the St. Maurice, 150 ft (46 m) high, with a hydroelectric station supp...

Rowley, Keith Christopher

(Encyclopedia)Rowley, Keith Christopher, 1949–, Trinidadian political leader, b. Tobago, grad. Univ. of the West Indies, Mona, Jamaica. A volcanologist, he worked in academia and industry before entering politics...