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Togo, Heihachiro

(Encyclopedia)Togo, Heihachiro hāˈhächĭrōˈ tōˈgō [key], 1846–1934, Japanese admiral, Japan's greatest naval hero. He studied naval science in England (1871–78), gained international recognition for his...

Three Mile Island

(Encyclopedia)Three Mile Island, site of a nuclear power plant 10 mi (16 km) south of Harrisburg, Pa. On Mar. 28, 1979, failure of the cooling system of the No. 2 nuclear reactor led to overheating and partial melt...

resistor

(Encyclopedia)resistor, two-terminal electric circuit component that offers opposition to an electric current. Resistors are normally designed and operated so that, with varying levels of current, variations of the...

Niyazov, Saparmurat

(Encyclopedia)Niyazov, Saparmurat säpärˈmo͞orätˌ nēyäˈzôf [key], 1940–2006, Soviet and Turkmen political leader, president of Turkmenistan (1991–2006). An engineer and member of the Communist party, h...

Yang Kuei-fei

(Encyclopedia)Yang Kuei-fei yäng gwā-fā [key], 719–56, concubine of the T'ang emperor Hsüan-tsung. The most famous beauty in Chinese history, in legend she is said to have captivated the emperor who then negl...

Aetolian League

(Encyclopedia)Aetolian League, confederation centering in the cities of Aetolia. It was formed in the 4th cent. b.c. and began to gain power in the 3d cent. in opposing the Achaean League and the Macedonians. At it...

Sorel, Georges

(Encyclopedia)Sorel, Georges sôrĕlˈ [key], 1847–1922, French social philosopher. An engineer before he devoted himself to writing, Sorel found in the political and social life of bourgeois democracy the trium...

Agrippina the Younger

(Encyclopedia)Agrippina the Younger, d. a.d. 59, Roman matron; daughter of Germanicus Caesar and Agrippina the Elder. By her first husband, Cneius Domitius Ahenobarbus, she was the mother of Nero. After her brother...

Adolf of Nassau

(Encyclopedia)Adolf of Nassau näˈsou [key], d. 1298, duke of Luxembourg, German king (1292–98). He owed his election to the ecclesiastical electors, who, fearing the growing power and ambition of the Hapsburgs,...

chain

(Encyclopedia)chain, flexible series of connected links used in various ways, especially for the transmission of motive power, for hoisting (see pulley), and for securing or fastening. Commonly, mechanical energy f...