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computer graphics

(Encyclopedia)computer graphics, the transfer of pictorial data into and out of a computer. Using analog-to-digital conversion techniques, a variety of devices—such as curve tracers, digitizers, and light pens—...

performance art

(Encyclopedia)performance art, multimedia art form originating in the 1970s in which performance is the dominant mode of expression. Perfomance art may incorporate such elements as instrumental or electronic music,...

propaganda

(Encyclopedia)propaganda, systematic manipulation of public opinion, generally by the use of symbols such as flags, monuments, oratory, and publications. Modern propaganda is distinguished from other forms of commu...

baby boom

(Encyclopedia)baby boom, a period in which the birthrate is significantly higher than in other periods, especially the post–World War II period in the United States, Canada, Australia, and New Zealand. In the Uni...

bowling

(Encyclopedia)bowling, indoor sport, also called tenpins, played by rolling a ball down an alley at ten pins; for lawn bowling, see bowls. Bowling is one of the most popular participatory sports in the United State...

Spark, Dame Muriel

(Encyclopedia)Spark, Dame Muriel, 1918–2006, Scottish novelist, b. Muriel Sarah Camberg. She lived in Edinburgh, Rhodesia (now Zimbabwe), London, New York, and Rome, and spent her last years in Tuscany. Spark's t...

Berger, John Peter

(Encyclopedia)Berger, John Peter bûrˈjər [key], 1926–2017, British art critic, cultural historian, and writer, b. London. Berger, who began his career as a painter, is best known for his art criticism. He wrot...

Brown, Gordon

(Encyclopedia)Brown, Gordon (James Gordon Brown), 1951–, British politician. From 1975 to 1980 he taught at Edinburgh Univ. and Glasgow College of Technology; he then joined Scottish Television (1980–83) as a j...

Vidal, Gore

(Encyclopedia)Vidal, Gore (Eugene Luther Gore Vidal, Jr.), 1925–2012, American writer, b. West Point, N.Y. He grew up in Washington, D.C., where a formative influence was his witty and scholarly grandfather, Sena...

Lee, Spike

(Encyclopedia)Lee, Spike (Shelton Jackson Lee), 1957–, African-American filmmaker, b. Atlanta, Ga. As a student at New York Univ., he won recognition with his gradu...