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DK Science & Technology: Circuits

WHAT IS AN ELECTRIC CURRENT? WHEN DOES CURRENT FLOW IN A CIRCUIT? WHAT MAKES CURRENT FLOW IN A CIRCUIT? BATTERYCOMPONENTSFIND OUT MOREAn electric current flows in a loop, powering bulbs or…

SETI at Home

SETI@home Search for extraterrestrials with your desktop computer by Gerry Brown Despite all the reports of the rapidly shrinking globe—with modern technology like the Internet, wireless…

Bolger, James

(Encyclopedia) Bolger, JamesBolger, Jamesbōlˈjər [key], 1935–, New Zealand political leader. A sheep rancher, he entered Parliament in 1972 as a member of the National party. In Robert Muldoon's…

Francis Edgar Stanley

inventor, manufacturer Born: 6/1/1849Birthplace: Kingfield, Maine Francis and his twin brother Freelan formed the Stanley Dry Plate Company in 1883 to manufacture dry plates for the photographic…

Tennessee Valley Authority

(Encyclopedia) Tennessee Valley Authority (TVA), independent U.S. government corporate agency, created in 1933 by act of Congress; it is responsible for the integrated development of the Tennessee…

tribune

(Encyclopedia) tribune, in ancient Rome, one of various officers. The history of the office of tribune is closely associated with the struggle of the plebs against the patrician class to achieve a…

Cortes

(Encyclopedia) CortesCorteskôrˈtĕz, Span. kōrˈtās [key], representative assembly in Spain. The institution originated (12th–13th cent.) in various Spanish regions with the Christian reconquest; until…

Formosus

(Encyclopedia) FormosusFormosusfôrmōˈsəs [key], c.816–896, pope (891–96), probably a Roman; successor of Stephen VI. Under Pope Nicholas I he had been bishop in Bulgaria, where he pursued a rigorous…

Babangida, Ibrahim

(Encyclopedia) Babangida, IbrahimBabangida, Ibrahimēbräˈhēm bäbänˈgēdä [key], 1941–, Nigerian military and political leader. After graduating (1963) from Nigeria's military college, he joined the…