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capacitance

(Encyclopedia)capacitance, in electricity, capability of a body, system, circuit, or device for storing electric charge. Capacitance is expressed as the ratio of stored charge in coulombs to the impressed potential...

combinatorics

(Encyclopedia)combinatorics kŏmˌbĭnətôrˈēəl [key], sometimes called the science of counting, the branch of mathematics concerned with the selection, arrangement, and operation of elements within sets. Combi...

Clarke, Arthur C.

(Encyclopedia)Clarke, Arthur C. (Sir Arthur Charles Clarke), 1917–2008, British science fiction writer. During World War II he served as a radar instructor and aviator in the Royal Air Force. After the war he obt...

Chamberlain, Sir Austen

(Encyclopedia)Chamberlain, Sir Austen (Joseph Austen Chamberlain) chāmˈbərlĭn [key], 1863–1937, British statesman; son of Joseph Chamberlain and half-brother of Neville Chamberlain. He entered Parliament as a...

Fonda, Jane

(Encyclopedia)Fonda, Jane, 1937–, American actress, b. New York City; daughter of Henry Fonda and sister of Peter Fonda. First cast in pert and sexy roles, she later distinguished herself in dramatic parts, often...

Arnold, Thomas

(Encyclopedia)Arnold, Thomas, 1795–1842, English educator, b. Isle of Wight, educated at Winchester school and at Corpus Christi College, Oxford. He was a fellow of Oriel College, Oxford, from 1815 to 1819, was o...

mendelevium

(Encyclopedia)mendelevium mĕndəlāvˈēəm [key], artificially produced radioactive chemical element; symbol Md; at. no. 101; mass no. of most stable isotope 258; m.p. 827℃; b.p. and sp. gr. unknown; valence +1...

Merwin, W. S.

(Encyclopedia)Merwin, W. S. (William Stanley Merwin), 1927–2019, American poet and translator, b. New York City. After graduating from Princeton in 1948, he traveled in Europe, working as a tutor and studying Rom...

Constantinople, Latin Empire of

(Encyclopedia)Constantinople, Latin Empire of, 1204–61, feudal empire established in the S Balkan Peninsula and the Greek archipelago by the leaders of the Fourth Crusade (see Crusades) after they had sacked (120...

Duflo, Esther

(Encyclopedia)Duflo, Esther, 1972–, French-American economist, b. Paris, Ph.D. Massachusetts Institute of Technology, 1999. She has been a professor of economics at the Massachusetts Institute of Technology since...