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Ramakrishnan, Venkatraman

(Encyclopedia) Ramakrishnan, Venkatraman, 1952–, American molecular biologist, b. India, Ph.D. Ohio Univ., 1976. He was a researcher at Oak Ridge National Laboratory (1982–83) and at Brookhaven…

robotics

(Encyclopedia) robotics, science and technology of general purpose, programmable machine systems. Contrary to the popular fiction image of robots as ambulatory machines of human appearance capable of…

Rothschild, Nathan Meyer

(Encyclopedia) Rothschild, Nathan Meyer, 1777–1836, British banker, b. Frankfurt, Germany; of the famous Rothschild family. He went to England in 1797, was naturalized in 1804, and opened a business…

Shannon, Claude Elwood

(Encyclopedia) Shannon, Claude Elwood, 1916–2001, American applied mathematician, b. Gaylord, Michigan. A student of Vannevar Bush at the Massachusetts Institute of Technology (MIT), he was the first…

smart weapon

(Encyclopedia) smart weapon, missile or steerable bomb equipped with a laser, television, or satellite guidance system. Smart weapons, which use guidance systems that rely on external assistance, are…

Patel, Vallabhbhai

(Encyclopedia) Patel, VallabhbhaiPatel, Vallabhbhaivŭlˌləb-bäˈē pətĕlˈ [key], 1875–1950, Indian political leader. He was admitted (1913) to the bar in England and set up a lucrative practice in India…

perception

(Encyclopedia) perception, in psychology, mental organization and interpretation of sensory information. The Gestalt psychologists studied extensively the ways in which people organize and select…

Parry, Sir William Edward

(Encyclopedia) Parry, Sir William EdwardParry, Sir William Edwardpăˈrē [key], 1790–1855, British arctic explorer and rear admiral. He entered the navy at 13 and made his first voyage to the Arctic…

Fama, Eugene Francis

(Encyclopedia) Fama, Eugene Francis, 1939–, 1939–, U.S. economist, b. Boston, Mass., grad. Univ. of Chicago (M.B.A. 1963, Ph.D. 1964). He has taught at the Univ. of Chicago's Graduate School of…

verb

(Encyclopedia) verb, part of speech typically used to indicate an action. English verbs are inflected for person, number, tense and partially for mood; compound verbs formed with auxiliaries (e.g.,…