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electric fish

(Encyclopedia) electric fish, name for various fish that produce electricity by means of organs usually developed from modified muscle tissue. The electric eels of South America are freshwater…

dynamics

(Encyclopedia) dynamics, branch of mechanics that deals with the motion of objects; it may be further divided into kinematics, the study of motion without regard to the forces producing it, and…

Kano, family or school of Japanese painters

(Encyclopedia) KanoKanokäˈnō [key], family or school of Japanese painters. Kano Masanobu, c.1434–c.1530, the forerunner of the school, was attached to the shogun Yoshimasa's court. He painted…

Royal, Ségolène

(Encyclopedia) Royal, Ségolène (Marie-Ségolène Royal)Royal, Ségolènemärēˈ-sāgōlĕnˈ rwäyälˈ [key], 1953–, French politician, b. Dakar, Senegal. A graduate of the École Nationale d'Administration (1980…

Ryder, Albert Pinkham

(Encyclopedia) Ryder, Albert Pinkham, 1847–1917, American painter, b. New Bedford, Mass. In 1867 his family moved to New York City. There he studied with W. E. Marshall, the engraver, and at the…

pole, in electricity and magnetism

(Encyclopedia) pole, in electricity and magnetism, point where electric or magnetic force appears to be concentrated. A single electric charge located at a point is sometimes referred to as an…

National Radio Astronomy Observatory

(Encyclopedia) National Radio Astronomy Observatory (NRAO), federal observatory for radio astronomy, founded in 1956 and operated under contract with the National Science Foundation by Associated…

vortex

(Encyclopedia) vortexvortexvôrˈtĕks [key], mass of fluid in whirling or rotary motion. To simplify the analysis, vortex motion usually describes motions in a frictionless fluid. In such cases the…

copernicium

(Encyclopedia) copernicium, artificially produced radioactive chemical element; symbol Cn; at. no. 112; mass number of most stable isotope 285; m.p., b.p., sp. gr., and valence unknown. Situated in…

Brooks, Garth

(Encyclopedia) Brooks, Garth , 1962- , American country singer/songwriter, b. Luba, OK, Oklahoma State Univ. (B.A., 1984). Brooks's mother was a…