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Nadal, Rafael
(Encyclopedia)Nadal, Rafael (Rafael Nadal Parera), 1986–, Spanish tennis player, b. Majorca. Widely regarded as the greatest clay-court player ever, “Rafa” turned professional at 15. In 2005 he won his first ...Kamerlingh Onnes, Heike
(Encyclopedia)Kamerlingh Onnes, Heike hīˈkə käˈmərlĭng ônˈəs [key], 1853–1926, Dutch physicist. He was, from 1882, professor of physics at the Univ. of Leiden. He made important studies of the propertie...Giauque, William Francis
(Encyclopedia)Giauque, William Francis jēōkˈ [key], 1895–1982, American chemist, b. Niagara Falls, Ont., Canada, grad. Univ. of California (B.S., 1920; Ph.D., 1922). A member of the faculty of the Univ. of Cal...potassium hydroxide
(Encyclopedia)potassium hydroxide, chemical compound with formula KOH. Pure potassium hydroxide forms white, deliquescent crystals. For commercial and laboratory use it is usually in the form of white pellets. A st...Heeger, Alan Jay
(Encyclopedia)Heeger, Alan Jay, 1936–, American physicist and chemist, b. Sioux City, Iowa, Ph.D. Univ. of California, Berkeley, 1961. Heeger has held faculty positions at the Univ. of Pennsylvania (1962–82) an...Etruscan art
(Encyclopedia)Etruscan art ĭtrŭsˈkən [key], the art of the inhabitants of ancient Etruria, which, by the 8th cent. b.c., incorporated the area in Italy from Salerno to the Tiber River (see Etruscan civilization...sodium nitrate
(Encyclopedia)sodium nitrate, chemical compound, NaNO3, a colorless, odorless crystalline compound that closely resembles potassium nitrate (saltpeter or niter) in appearance and chemical properties. It is soluble ...Gray, Asa
(Encyclopedia)Gray, Asa, 1810–88, one of America's leading botanists and taxonomists, b. Oneida co., N.Y. As professor of natural history at Harvard from 1842, he was the teacher of many eminent botanists. Throug...nail, in carpentry
(Encyclopedia)nail, metal pin driven by force applied at one end into pieces of material, usually wood, to join them together. The strength of a nailed joint depends on the properties of the wood, the type and numb...Phoenician art
(Encyclopedia)Phoenician art. The Phoenician region developed as a major trade center of the ancient world; consequently Phoenician art clearly reflects the influences of Egypt, Syria, and Greece. Phoenician deitie...Browse by Subject
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