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vacuum
(Encyclopedia)vacuum, theoretically, space without matter in it. A perfect vacuum has never been obtained; the best human-generated vacuums contain less than 100,000 gas molecules per cc, compared to about 30 billi...Crocker, Charles
(Encyclopedia)Crocker, Charles, 1822–88, American railroad builder, b. Troy, N.Y. In 1836 he moved with his family to Marshall co., Ind., where he later set up a small foundry. He joined a party to seek gold in C...Georgetown, city, Guyana
(Encyclopedia)Georgetown, city (1985 est. pop. 75,000), capital and largest city of Guyana, on the Atlantic Ocean at the mouth of the Demerara River. It was known as Stabroek when the Dutch controlled the region an...Frazier, Joe
(Encyclopedia)Frazier, Joe (William Joseph Frazier), 1944–2011, African-American boxer, b. Beaufort, S.C. Known for a brawling style and devastating left hook, “Smokin' Joe” won Olympic gold in 1964 and turne...grayling
(Encyclopedia)grayling, common name for a brilliantly colored fish belonging to the genus Thymallus, of the family Salmonidae (salmon family), and closely allied to the smelt. Graylings are found chiefly in clear, ...Heller, Joseph
(Encyclopedia)Heller, Joseph, 1923–99, American writer, b. Brooklyn, N.Y. Heller is best known for his first novel, Catch-22 (1961). Set in World War II, it is a darkly humorous commentary on the illogic of war a...ice dancing
(Encyclopedia)ice dancing, ice-skating competition in which couples are required to perform dance routines to music. The sport gained popularity in the 1930s and the first world championships were held in 1950. Ice...Medellín
(Encyclopedia)Medellín māᵺāyēnˈ [key], city (1993 pop. 1,551,160), capital of Antioquia dept., W central Colombia. It is the country's chief manufacturing center. Textiles, steel, flowers, food products, aut...Maier, Hermann
(Encyclopedia)Maier, Hermann hĕrˈmänˌ mīˈər [key], 1972–, Austrian skier. Sent home from a ski academy in his teens by a physical condition, he was a bricklayer before winning a place on the Austrian World...Loren, Sophia
(Encyclopedia)Loren, Sophia sōfēˈə lôrĕnˈ [key], 1934–, Italian film actress, b. as Sophia Scicoloni. She grew up in the slums of Naples. With the help of Italian producer Carlo Ponti (later her husband) s...Browse by Subject
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