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coulomb

(Encyclopedia)coulomb ko͞oˈlŏm [key] [for C. A. de Coulomb], abbr. coul or C, unit of electric charge. The absolute coulomb, the current U.S. legal standard, is the amount of charge transferred in 1 second by a ...

Cooney, Joan Ganz

(Encyclopedia)Cooney, Joan Ganz, 1929–, American television producer, b. Phoenix, Ariz. After graduating (1951) from the Univ. of Arizona, Cooney worked as a newspaper reporter and television publicist for ten ye...

scalar

(Encyclopedia)scalar, quantity or number possessing only sign and magnitude, e.g., the real numbers (see number), in contrast to vectors and tensors; scalars obey the rules of elementary algebra. Many physical quan...

Rock Springs

(Encyclopedia)Rock Springs, city (1990 pop. 19,050), alt. c.6,270 ft (1,910 m), Sweetwater co., SW Wyo., on Bitter Creek; inc. 1888. It is a cattle and sheep shipping point and the center of large natural trona min...

Tomsk

(Encyclopedia)Tomsk tŏmsk, Rus. tômsk [key], city (1989 pop. 502,000), capital of Tomsk region, W central Siberian Russia, on the Tom River. It is a major river port and freight transit point, and is a regional h...

Niagara Falls, city, Canada

(Encyclopedia)Niagara Falls, city (1991 pop. 75,399), S Ont., Canada, on the Niagara River opposite Niagara Falls, N.Y. Formerly called Clifton, it is a port of entry, an important industrial city, and the home of ...

Oroville Dam

(Encyclopedia)Oroville Dam, 770 ft (235 m) high and 7,600 ft (2,317 m) long, on the Feather River, N Calif., near the city of Oroville. The highest dam in the United States and the largest unit of the Feather River...

Benz, Karl

(Encyclopedia)Benz, Karl bĕnts [key], 1844–1929, German engineer, credited with building the first automobile powered by an internal-combustion engine. The car, driven in Mannheim in 1885 and patented in 1886, h...

Brantford

(Encyclopedia)Brantford, city, S Ont., Canada, on the Grand River. It is a leading manufacturing city, noted particularly for its large farm implement factories. The ...

Erasistratus

(Encyclopedia)Erasistratus ĕrəsĭsˈtrətəs [key], fl. 3d cent. b.c., Greek physician, b. Chios. He was the leader of a school of medicine in Alexandria, and his works were influential until the 4th cent. a.d. H...