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gamma-ray astronomy

(Encyclopedia) gamma-ray astronomy, study of astronomical objects by analysis of the most energetic electromagnetic radiation they emit. Gamma rays are shorter in wavelength and hence more energetic…

Mayer, Julius Robert von

(Encyclopedia) Mayer, Julius Robert von, 1814–78, German physician and physicist, studied medicine at Tübingen, Munich, and Paris. From a consideration of the generation of animal heat, he was led to…

Kennewick

(Encyclopedia) KennewickKennewickkĕnˈəwĭk [key], city (1990 pop. 42,155), Benton co., SE Wash., on the Columbia River near the influx of the Snake River, in an irrigated farm and vineyard region; inc…

Hebrew University

(Encyclopedia) Hebrew University of Jerusalem, at Mt. Scopus, Givat Ram, Ein Karem, and Rehovot, Israel; coeducational. First proposed in 1882, formally opened 1925. It is the world's largest Jewish…

actin

(Encyclopedia) actin, a protein abundantly present in many cells, especially muscle cells, that significantly contributes to the cell's structure and motility. Actin can very quickly assemble into…

Tsukuba

(Encyclopedia) TsukubaTsukubats&oobreve;k&oomacr;ˈbä [key], city (1990 pop. 143,396) Ibaraki prefecture, central Honshu, E central Japan, 31 mi (50 km) S of Mito. The city's products include…

Espoo

(Encyclopedia) Espoo Espoo ĕsˈpô [key], Swed. Esbo, city, Southern Finland prov., S Finland,…

Elssler, Fanny

(Encyclopedia) Elssler, FannyElssler, Fannyfäˈnē ĕlˈslər [key], 1810–84, Austrian dancer. The youngest daughter of Johann Elssler, copyist and valet of Haydn, she made her debut (1833) in London. She…

Brookhaven National Laboratory

(Encyclopedia) Brookhaven National Laboratory, scientific research center, at Upton (town of Brookhaven), Long Island, N.Y. It was founded in 1947 by Associated Universities, a management corporation…

Szilard, Leo

(Encyclopedia) Szilard, LeoSzilard, Leosĭˈlärd [key], 1898–1964, American nuclear physicist and biophysicist, born in Hungary. He was educated at the Budapest Institute of Technology and the Univ. of…