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generator

(Encyclopedia)CE5 Generator: The rotation of the conducting coil of wire in a magnetic field causes a current to be induced in the coil. This current is alternating and is conducted from the coil by means of sli...

Clews, Henry

(Encyclopedia)Clews, Henry, c.1836–1923, American financier, b. England. He emigrated to the United States c.1850 and joined an import business as a junior clerk. In 1859 he cofounded the banking firm that later ...

entrapment

(Encyclopedia)entrapment, in law, the instigation of a crime in the attempt to obtain cause for a criminal prosecution. Situations in which a government operative merely provides the occasion for the commission of ...

astrobleme

(Encyclopedia)astrobleme ăsˈtrōblēmˌ [key], large, circular structure ranging from c.1⁄2 mi to 40 mi (.8–64 km) in diameter. Astroblemes are found at numerous places on the earth's surface, e.g., Meteor, o...

Kekulé von Stradonitz, Friedrich August

(Encyclopedia)Kekulé von Stradonitz, Friedrich August frēˈdrĭkh ouˈgo͝ost kāˈko͞olā fən shträˈdōnĭts [key], 1829–96, German organic chemist. He was professor at Ghent (1858–65) and at Bonn from 1...

Swains Island

(Encyclopedia)Swains Island, island, 1 sq mi (2.59 sq km), district of American Samoa, c.200 mi (320 km) N of Tutuila. It is a ring of sand and coral with luxuriant vegetation. Swains Island has been privately owne...

Louis, Joe

(Encyclopedia)Louis, Joe (Joseph Louis Barrow) lo͞oˈĭs [key], 1914–81, American boxer, b. Lafayette, Ala. His father, a sharecropper, died when Louis was four years old, and in 1926 his stepfather took the fam...

vortex

(Encyclopedia)vortex vôrˈtĕks [key], mass of fluid in whirling or rotary motion. To simplify the analysis, vortex motion usually describes motions in a frictionless fluid. In such cases the absence of friction w...

circus

(Encyclopedia)circus [Lat.,=ring, circle], historically, the arena associated with the horse and chariot races and athletic contests known in ancient Rome as the Circensian games. The Roman circus was a round or ov...

Lee, Henry

(Encyclopedia)Lee, Henry, 1756–1818, American Revolutionary soldier, known as Light-Horse Harry Lee, b. Prince William co., Va. He was a cousin of Arthur Lee, Francis L. Lee, Richard H. Lee, and William Lee and w...