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Internet, the

(Encyclopedia)Internet, the, international computer network linking together thousands of individual networks at military and government agencies, educational institutions, nonprofit organizations, industrial and f...

Madonna

(Encyclopedia)Madonna (Madonna Louise Ciccone) mədŏnˈə, chĭkōˈnē [key], 1958–, American p...

Sachs, Jeffrey David

(Encyclopedia)Sachs, Jeffrey David săks [key], 1954–, American economist, b. Detroit; grad. Harvard (B.A. 1976, M.A. 1978, Ph.D. 1980). He joined the Harvard faculty in 1980, and became a full professor three ye...

radio frequency

(Encyclopedia)radio frequency, range of electromagnetic waves with a frequency or wavelength suitable for communication uses. Some of these waves serve as carriers of the lower-frequency audio waves; others are mod...

Oliveros, Pauline

(Encyclopedia)Oliveros, Pauline, 1932–2016, American composer and musician, b. Houston, Tex., studied Univ. of Houston, San Francisco State College (B.A., 1957). She began playing the accordion as a child, and it...

Four-H

(Encyclopedia)Four-H or 4-H, organization for boys and girls, generally from 8 to 18 years of age; some states offer programs for younger children, and there are also collegiate programs. 4-H teaches young people l...

Dunham, Katherine

(Encyclopedia)Dunham, Katherine dŭnˈəm [key], 1909?–2006, American dancer, choreographer, and anthropologist, b. Chicago. She studied anthropology at the Univ. of Chicago, where she received a B.A. and Ph.D. a...

Gülen, Fethullah

(Encyclopedia)Gülen, Fethullah, 1941–, Turkish Islamic leader, founder of the Gülen movement, an educational, religious, and social Islamic organization that supported the Justice and Development party (AKP) in...

Stella, Frank

(Encyclopedia)Stella, Frank, 1936–, American artist, b. Malden, Mass. In his early “black paintings” Stella exhibits the precision and rationality that characterized minimalism, employing parallel angular str...

war debts

(Encyclopedia)war debts. This article discusses the obligations incurred by foreign governments for loans made to them by the United States during and shortly after World War I. For international obligations arisin...