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optical disk

(Encyclopedia) optical disk, any of a variety of information storage disks that are played or read using a laser. Optical disks include compact discs (CDs and CD-ROMs), laser discs (see videodisc),…

numismatics

(Encyclopedia) numismaticsnumismaticsn&oomacr;ˌmĭzmătˈĭks, –mĭs– [key], collection and study of coins, medals, and related objects as works of art and as sources of information. The coin and the…

Ma Ying-jeou

(Encyclopedia) Ma Ying-jeouMa Ying-jeoumä yēng-jō [key], 1950–, Taiwanese political leader, president of Taiwan (2008–16), b. Hong Kong, grad. National Taiwan Univ. (LL.B., 1972), New York Univ. (LL.…

differentiation

(Encyclopedia) differentiation, in biology, series of changes that occur in cells and tissues during development, resulting in their specialization. This, in turn, permits a greater variety of…

cybernetics

(Encyclopedia) cybernetics [Gr.,=steersman], term coined by American mathematician Norbert Wiener to refer to the general analysis of control systems and communication systems in living organisms and…

Harsanyi, John Charles

(Encyclopedia) Harsanyi, John Charles, 1920–2000, Hungarian-American economist, b. Budapest, grad. Univ. of Budapest (Ph.D., 1947), Stanford (Ph.D., 1959). Harsanyi briefly taught (1947–48) sociology…

Henslowe, Philip

(Encyclopedia) Henslowe, PhilipHenslowe, Philiphĕnzˈlō [key], c.1550–1616, English businessman and theatrical manager. Although he managed the Rose Theatre, Bankside, London, and the Fortune Theatre…

Burlingame, Anson

(Encyclopedia) Burlingame, AnsonBurlingame, Ansonbûrˈlĭng-gām [key], 1820–70, American diplomat, b. New Berlin, N.Y. He became a lawyer in Boston and later (1855–61) a Congressman. Defeated for…

cesarean section

(Encyclopedia) cesarean sectioncesarean sectionsĭzârˈēən [key], delivery of an infant by surgical removal from the uterus through an abdominal incision. The operation is of ancient origin: indeed,…

Uffizi

(Encyclopedia) UffiziUffizi&oomacr;f-fēˈtsē [key], palace in Florence, Italy, built in the 16th cent. by Giorgio Vasari for Cosimo I de' Medici as public offices. It houses the state archives of…