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South Dakota School of Mines and Technology

(Encyclopedia)South Dakota School of Mines and Technology, at Rapid City; state supported; coeducational; chartered 1885, opened 1887 as Dakota School of Mines, renamed 1943. Of note are an engineering and mining e...

physical education and training

(Encyclopedia)physical education and training, organized instruction in motor activities that contribute to the physical growth, health, and body image of the individual. The historical roots of physical education ...

Ceres, in Roman religion and mythology

(Encyclopedia)Ceres sîrˈēz [key], in Roman religion and mythology, goddess of grain; daughter of Saturn and Ops. She was identified by the Romans with the Greek Demeter. Her worship was connected with that of th...

ether, in physics and astronomy

(Encyclopedia)ether or aether, in physics and astronomy, a hypothetical medium for transmitting light and heat (radiation), filling all unoccupied space; it is also called luminiferous ether. In Newtonian physics a...

Olympic games

(Encyclopedia)CE6 Olympic games, premier athletic meeting of ancient Greece, and, in modern times, series of international sports contests. The modern revival of the Olympic games is due in a large measure to ...

bubble chamber

(Encyclopedia)bubble chamber, device for detecting charged particles and other radiation by means of tracks of bubbles left in a chamber filled with liquid hydrogen or other liquefied gas. It was invented in 1952 b...

strategy and tactics

(Encyclopedia)strategy and tactics, in warfare, related terms referring, respectively, to large-scale and small-scale planning to achieve military success. Strategy may be defined as the general scheme of the condu...

Collins, Eddie

(Encyclopedia)Collins, Eddie (Edward Trowbridge Collins), 1887–1951, American baseball player, b. Millerton, N.Y., grad. Columbia, 1907. One of the game's great second basemen, he was active in the American Leagu...

Jackson, Reggie

(Encyclopedia)Jackson, Reggie (Reginald Martinez Jackson), 1946–, American baseball player, b. Wyncote, Pa. In 21 years in the American League, most notably with the Oakland Athletics and New York Yankees, he hit...

Negro, Río, river, Uruguay and Brazil

(Encyclopedia)Negro, Río rēˈō nāˈgrō [key], principal river of Uruguay, c.500 mi (800 km) long, rising in S Brazil and flowing SW across central Uruguay to the Uruguay River. It traverses a sheep-raising reg...