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Ems, river, Germany

(Encyclopedia)Ems, river, 208 mi (335 km) long, rising in the Teutoburger Wald, NW Germany, and flowing NW into the North Sea near Emden. Its wide mouth is called the Dollart. The Ems is paralleled for much of its ...

gunboat

(Encyclopedia)gunboat, small warship for use on rivers and along coasts in places inaccessible to vessels of larger displacement. In the U.S. Civil War both sides used as gunboats, on the Mississippi and other rive...

Arce Catacora, Luis Alberto

(Encyclopedia)Arce Catacora, Luis Alberto, 1963–, Bolivian government official and political leader. Trained as an economist, Arce held several positions at Bolivia's central bank (1987–2006) before becoming mi...

Williston

(Encyclopedia)Williston, city (1990 pop. 13,131), seat of Williams co., NW N.Dak., on the Missouri River; inc. 1904. An early riverboating town, its importance increased with the arrival of the Great Northern Railw...

Westinghouse, George

(Encyclopedia)Westinghouse, George, 1846–1914, American inventor and manufacturer, b. Central Bridge, N.Y. In the Civil War he served in the Union army and navy. Among his inventions in the railroad field were a ...

Bolkiah Mu'izzadin Waddaulah, Sir Hassanal

(Encyclopedia)Bolkiah Mu'izzadin Waddaulah, Sir Hassanal, 1946–, sultan of Brunei (1967–). He succeeded to the throne after the abdication of his father, Sultan Sir Omar Ali Saifuddin. Known as a playboy, he no...

nitric oxide

(Encyclopedia)nitric oxide or nitrogen monoxide, a colorless gas formed by the combustion of nitrogen and oxygen as given by the reaction: energy + N2 + O2 → 2NO; m.p. −163.6℃; b.p. −151.8℃. Nitric oxide ...

computer terminal

(Encyclopedia)computer terminal, a device that enables a computer to receive or deliver data. Computer terminals vary greatly depending on the format of the data they handle. For example, a simple early terminal co...

Gulf War syndrome

(Encyclopedia)Gulf War syndrome, popular name for a variety of ailments experienced by veterans after the Persian Gulf War. Symptoms reported include nausea, cramps, rashes, short-term memory loss, fatigue, difficu...

heat

(Encyclopedia)heat, nonmechanical energy in transit, associated with differences in temperature between a system and its surroundings or between parts of the same system. The study of heat and its relationship ...