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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 university and i...

nucleosynthesis

(Encyclopedia)nucleosynthesis or nucleogenesis, in astronomy, production of all the chemical elements from the simplest element, hydrogen, by thermonuclear reactions within stars, supernovas, and in the big bang at...

Landau, Lev Davidovich

(Encyclopedia)Landau, Lev Davidovich lyĕf dəvēˈdəvĭch ləndouˈ [key], 1908–68, Soviet physicist, b. Baku, Azerbaijan. A child prodigy in mathematics, he entered Baku Univ. at 14; at 21 he received a doctor...

Red Cross

(Encyclopedia)Red Cross, international organization concerned with the alleviation of human suffering and the promotion of public health; the world-recognized symbols of mercy and absolute neutrality are the Red Cr...

Homeland Security, United States Department of

(Encyclopedia)Homeland Security, United States Department of (DHS), executive department of the federal government charged with protecting the security of the American homeland as its main responsibility. Its prima...

carbon

(Encyclopedia)CE5 The three solid forms of pure carbon: In the diamond crystal each carbon atom is surrounded symmetrically by four other carbons (at each of the four corners of a tetrahedron). In the graphite c...

welding

(Encyclopedia)welding, process for joining separate pieces of metal in a continuous metallic bond. Cold-pressure welding is accomplished by the application of high pressure at room temperature; forge welding (forgi...

matter

(Encyclopedia)matter, anything that has mass and occupies space. Matter is sometimes called koinomatter (Gr. koinos=common) to distinguish it from antimatter, or matter composed of antiparticles. The atomic th...

Reconstruction Finance Corporation

(Encyclopedia)Reconstruction Finance Corporation (RFC), former U.S. government agency, created in 1932 by the administration of Herbert Hoover. Its purpose was to facilitate economic activity by lending money in th...

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