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magnetron

(Encyclopedia)magnetron măgˈnĭtrŏnˌ [key], vacuum tube oscillator (see electron tube) that generates high-power electromagnetic signals in the microwave frequency range. Its operation is based on the combined ...

electrostatics

(Encyclopedia)electrostatics, study of phenomena associated with charged bodies at rest (see charge; electricity). A charged body has an excess of positive or negative charges, a condition usually brought about by ...

Carnegie Mellon University

(Encyclopedia)Carnegie Mellon University, at Pittsburgh, Pa.; est. 1967 through the merger of the Carnegie Institute of Technology (founded 1900, opened 1905) and the Mellon Institute of Industrial Research (founde...

shinty

(Encyclopedia)shinty, a game originating in 17th cent. Scotland, in which opposing teams of 12 players each attempt to knock a small ball through their opponent's goal, or hail, using sticks similar to though small...

Khorana, Har Gobind

(Encyclopedia)Khorana, Har Gobind, 1922–2011, American biochemist, b. Raipur (now in Pakistan), Ph.D. Univ. of Liverpool, 1948. He became a U.S. citizen in 1966, and was a professor at the Massachusetts Institute...

Katz, Alex

(Encyclopedia)Katz, Alex, 1927–, American painter, b. Brooklyn, N.Y., studied Cooper Union, New York City (1946–49), Skowhegan School, Maine (1949–50). At a time when abstract expressionism captured most crit...

Collins, Wilkie

(Encyclopedia)Collins, Wilkie (William Wilkie Collins), 1824–89, English novelist. Although trained as a lawyer, he spent most of his life writing. He produced some 30 novels, the best known of which are two myst...

motor, electric

(Encyclopedia)CE5 Motor: In the AC motor, current fed to the conducting loop of wire causes it to rotate in the magnetic field, thus turning the shaft on which the loop is mounted. In the DC motor, the direction...

Longview

(Encyclopedia)Longview. 1 City (1990 pop. 70,311), seat of Gregg co., E Tex.; inc. 1872. It is a manufacturing, business, and distribution center for the rich East Texas oil field. The city has oil and natural-gas ...

York, Frederick Augustus, duke of

(Encyclopedia)York, Frederick Augustus, duke of, 1763–1827, second son of George III of England. In the French Revolutionary Wars he commanded (1793–95) the unsuccessful English forces in Flanders. Despite his ...