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argon
(Encyclopedia)argon ärˈgŏn [key] [Gr.,=inert], gaseous chemical element; symbol Ar; at. no. 18; at. wt. 39.948; m.p. −189.2℃; b.p. −185.7℃; density 1.784 grams per liter at STP; valence 0. Argon is a col...Frankland, Sir Edward
(Encyclopedia)Frankland, Sir Edward, 1825–99, English chemist. He studied under Bunsen and Liebig and taught at several English institutions. In working on the synthesis and isolation of compounds he evolved the ...Jovian planets
(Encyclopedia)Jovian planets, the planets Jupiter, Saturn, Uranus, and Neptune. They are all larger and more massive than the earth. Since they rotate faster, they are more flattened at the poles than are the terre...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...liquefaction
(Encyclopedia)liquefaction, change of a substance from the solid or the gaseous state to the liquid state. Since the different states of matter correspond to different amounts of energy of the molecules making up t...Kapitza, Peter
(Encyclopedia)Kapitza, Peter käˈpētsə [key], 1894–1984, Russian physicist, educated at the polytechnic institute of Petrograd (now St. Petersburg) and at Cambridge. He developed equipment (for a laboratory at...Lockyer, Sir Joseph Norman
(Encyclopedia)Lockyer, Sir Joseph Norman lŏkˈyər [key], 1836–1920, English astronomer, educated on the Continent. One of the first to make a spectroscopic examination of the sun and stars, he devised (1868), i...Payne-Gaposchkin, Cecilia
(Encyclopedia)Payne-Gaposchkin, Cecilia, 1900–1979, British-American astronomer, b. Wendover, England, as Cecilia Helena Payne. She studied at Cambridge and at the Harvard College Observatory, and in her doctoral...Baumgartner, Felix
(Encyclopedia)Baumgartner, Felix, 1969–, Austrian skydiver and daredevil. He made his first skydive at age 16, and turned to BASE jumping [Buildings, Antennas, Spans (bridges), and Earth (mountains)] in the 1990s...buckminsterfullerene
(Encyclopedia)CE5 Buckminsterfullerene buckminsterfullerene bŭkˌmĭnstərfo͝olˈərēnˌ, –fo͝olˌərēnˈ [key] or buckyball, C60, hollow cage carbon molecule named for R. Buckminster Fuller because of t...Browse by Subject
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