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Jülich, town, Germany

(Encyclopedia)Jülich, town (1994 pop. 31,780), North Rhine–Westphalia, W Germany. It has some light industry and is the seat of a nuclear research center. Originally a Roman settlement known as Juliacum, Jülich...

magnetic resonance

(Encyclopedia)magnetic resonance, in physics and chemistry, phenomenon produced by simultaneously applying a steady magnetic field and electromagnetic radiation (usually radio waves) to a sample of atoms and then a...

Livermore

(Encyclopedia)Livermore, city (1990 pop. 56,741), Alameda co., W central Calif.; inc. 1876. Nursery stock is grown, and there is light manufacturing, but the major sources of employment are wineries and the Lawrenc...

fallout

(Encyclopedia)fallout, minute particles of radioactive material produced by nuclear explosions (see atomic bomb; hydrogen bomb; Chernobyl) or by discharge from nuclear-power or atomic installations and scattered th...

Weinberg, Steven

(Encyclopedia)Weinberg, Steven, 1933–, American nuclear physicist, b. New York City, Ph.D. Princeton, 1957. Since 1982 he has been a professor at the Univ. of Texas at Austin, having previously been on the facult...

mitosis

(Encyclopedia)CE5 Mitosis in a body cell of an animal mitosis mītōˈsĭs, mĭ– [key], process of nuclear division in a living cell by which the carriers of hereditary information, or the chromosomes, are ex...

metal

(Encyclopedia)metal, chemical element displaying certain properties by which it is normally distinguished from a nonmetal, notably its metallic luster, the capacity to lose electrons and form a positive ion, and th...

fission

(Encyclopedia)fission, in physics: see nuclear energy and nucleus; see also atomic bomb. ...

Amchitka

(Encyclopedia)Amchitka ămchĭtˈkə [key], island, 40 mi (64 km) long, in the Rat group of the Aleutian Islands, W Alaska. It was a site in 1965 and 1971 for the underground detonation of nuclear devices, its smal...

Tokyo, University of

(Encyclopedia)Tokyo, University of, at Tokyo, Japan; founded in 1877. In the 1920s it became one of the first Imperial universities and remains one of the most prestigious in Japan. It offers degrees in letters, la...