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Enron Corporation

(Encyclopedia)Enron Corporation, U.S. company that in 2001 became the largest bankruptcy and stock collapse in U.S. history up to that time. The company was formed in 1985 when InterNorth purchased Houston Natural ...

Theodosius

(Encyclopedia)Theodosius, d. 376, Roman general under Valentinian I. He defeated (368–69) the Picts and Scots in Britain and the Alemanni in Gaul (369). He suppressed (372–74) a Berber uprising in N Africa, but...

Ampère, André Marie

(Encyclopedia)Ampère, André Marie ămˈpēr; Fr. äNdrāˈ märēˈ äNpĕrˈ [key], 1775–1836, French physicist, mathematician, and natural philosopher. He was professor of mathematics at the École Polytechni...

New Taipei City

(Encyclopedia)New Taipei City tībāˈ [key], special municipality (2010 pop. 4,054,467), c.790 sq mi (2,050 sq km), N Taiwan, the most populous municipality in Taiwan. Formerly Taipei co., it was established as a ...

Braun, Karl Ferdinand

(Encyclopedia)Braun, Karl Ferdinand broun [key], 1850–1918, German physicist. Braun taught at the Univ. of Marburg, Strasbourg Univ., Karlsruhe's Technische Hochschule, and the Univ. of Tübingen before being na...

Wheatstone, Sir Charles

(Encyclopedia)Wheatstone, Sir Charles hwētˈstōn, –stən [key], 1802–75, English physicist and inventor. He was professor at King's College, London, from 1834. A pioneer in telegraphy, he was coinventor with ...

sound recording

(Encyclopedia)sound recording, process of converting the acoustic energy of sound into some form in which it can be permanently stored and reproduced at any time. In 1855 the inventor Leon Scott constructed a devic...

annealing

(Encyclopedia)annealing ənēlˈĭng [key], process in which glass, metals, and other materials are treated to render them less brittle and more workable. Annealing consists of heating the material and then cooling...

Coblentz, William Weber

(Encyclopedia)Coblentz, William Weber kōˈblĕnts [key], 1873–1962, American physicist, b. North Lima, Ohio, grad. Case School of Applied Science (B.S., 1900) and Cornell (Ph.D., 1903). From 1905 to 1945 he was ...

cyclic compound

(Encyclopedia)cyclic compound, any one of a class of compounds whose molecules contain a number of atoms bonded together to form a closed chain or ring. If all of the atoms that form the ring are carbon, the compou...
 

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