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Dasht-e Kavir
(Encyclopedia)Dasht-e Kavir däsht-ēkävērˈ [key], great salt desert, c.500 mi (800 km) long and c.200 mi (320 km) wide, SE of the Elburz Mts., N central Iran. It is a huge basin of interior drainage named after...aerogel
(Encyclopedia)aerogel, any of a group of extremely light and porous solid materials; the lightest is less than four times as dense as dry air. Aerogels are produced from certain gels (see colloid) by heating the ge...object-oriented programming
(Encyclopedia)object-oriented programming, a modular approach to computer program (software) design. Each module, or object, combines data and procedures (sequences of instructions) that act on the data; in traditi...Hot Springs
(Encyclopedia)Hot Springs. <1> City (2020 pop. 37,930), seat of Garland co., W central Ark.; settled 1807, inc. 1876. The city nearly surrounds Hot Springs Nati...alkaline-earth metals
(Encyclopedia)alkaline-earth metals, metals constituting Group 2 of the periodic table. Generally, they are softer than most other metals, react readily with water (especially when heated), and are powerful reducin...string theory
(Encyclopedia)string theory, description of elementary particles based on one-dimensional curves, or “strings,” instead of point particles. Superstring theory, which is string theory that contains a kind of sym...Reines, Frederick
(Encyclopedia)Reines, Frederick, 1918–99, American physicist, b. Paterson, N.J., Ph.D. New York Univ., 1944. He was a researcher at Los Alamos National Laboratory (1944–59), a professor at Case Institute of Tec...nitrous oxide
(Encyclopedia)nitrous oxide or nitrogen (I) oxide, chemical compound, N2O, a colorless gas with a sweetish taste and odor. Its density is 1.977 grams per liter at STP. It is soluble in water, alcohol, ether, and ot...Suger
(Encyclopedia)Suger süzhĕrˈ [key], 1081–1151, French cleric and statesman, abbot of Saint-Denis from 1122, minister of kings Louis VI and Louis VII. Born into a peasant family and educated at the abbey of Sain...Autry, Gene
(Encyclopedia)Autry, Gene (Orvon Grover Autry), 1907–98, American entertainer and businessman, b. Tioga Springs, Tex. Probably the most successful of the movies' singing cowboys, Autry began singing o...Browse by Subject
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