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Auden, W. H.

(Encyclopedia)Auden, W. H. (Wystan Hugh Auden) ôˈdən [key], 1907–73, Anglo-American poet, b. York, England, educated at Oxford. A versatile, vigorous, and technically skilled poet, Auden ranks among the major ...

microprocessor

(Encyclopedia)microprocessor, integrated circuit containing the arithmetic, logic, and control circuitry required to interpret and execute instructions from a computer program. When combined with other integrated c...

Shakur, Tupac Amaru

(Encyclopedia) Shakur, Tupac Amaru, 1971-1996, African-American rap artist, composer, and actor, b. New York, N.Y., as Lesane Parish Crooks. Tupac’s mother was a ...

zinc

(Encyclopedia)zinc, metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58℃; b.p. 907℃; sp. gr. 7.133 at 25℃; valence +2. Zinc is a lustrous bluish-white metal. It is found in Group 12 o...

electronics industry

(Encyclopedia)electronics industry, the business of creating, designing, producing, and selling devices such as radios, televisions, stereos, computers, semiconductors, transistors, and integrated circuits (see ele...

diode

(Encyclopedia)diode dīˈōd [key], two-terminal electronic device that permits current flow predominantly in only one direction. Most diodes are semiconductor devices; diode electron tubes are now used only for a ...

atomic clock

(Encyclopedia)atomic clock, electric or electronic timekeeping device that is controlled by atomic or molecular oscillations. A timekeeping device must contain or be connected to some apparatus that oscillates at a...

Rauschenberg, Robert

(Encyclopedia)Rauschenberg, Robert rouˈshənbûrgˌ [key], 1925–2008, American painter, b. Port Arthur, Tex., as Milton Ernest Rauschenberg. He studied at the Kansas City Art Institute, with Josef Albers at Blac...

insecticides

(Encyclopedia)insecticides, chemical, biological, or other agents used to destroy insect pests; the term commonly refers to chemical agents only. The liabilities of chemical insecticides have encouraged interest ...

engineering

(Encyclopedia)engineering, profession devoted to designing, constructing, and operating the structures, machines, and other devices of industry and everyday life. Until the Industrial Revolution there were only t...