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smart weapon

(Encyclopedia) smart weapon, missile or steerable bomb equipped with a laser, television, or satellite guidance system. Smart weapons, which use guidance systems that rely on external assistance, are…

Smith, W. Eugene

(Encyclopedia) Smith, W. Eugene (William Eugene Smith), 1918–78, American photojournalist, b. Wichita, Kan. Smith is considered one of the principal masters of modern photojournalism. The distorted…

spark chamber

(Encyclopedia) spark chamber, in physics, device for recording the passage of elementary particles produced by reactions in a particle accelerator. Particles pass through a stack of metal plates or…

supply-side economics

(Encyclopedia) supply-side economics, economic theory that concentrates on influencing the supply of labor and goods as a path to economic health, rather than approaching the issue through such…

Gemini

(Encyclopedia) GeminiGeminijĕmˈənī, –nē [key] [Lat.,=the twins], northern constellation lying on the ecliptic (the sun's apparent path through the heavens) between Taurus and Cancer, N of Canis Minor…

Webern, Anton von

(Encyclopedia) Webern, Anton vonWebern, Anton vonänˈtōn fən vāˈbərn [key], 1883–1945, Austrian composer and conductor; pupil of Arnold Schoenberg. He conducted theater orchestras in Prague and in…

bodhisattva

(Encyclopedia) bodhisattvabodhisattvabōˌdĭsätˈwə [key] [Sanskrit,=enlightenment-being], in early Buddhism the term used to refer to the Buddha before he attained supreme enlightenment; more generally…

Taoism

(Encyclopedia) TaoismTaoismdäuˈĭzəm [key], refers both to a Chinese system of thought and to one of the four major religions of China (with Confucianism, Buddhism, and Chinese popular religion).…

particle accelerator

(Encyclopedia) CE5 Linear accelerator (LINAC) CE5 Cyclotron: As the charged particles move faster, they spiral out to the edge of the Ds. particle accelerator, apparatus used in nuclear…

pain

(Encyclopedia) pain, unpleasant or hurtful sensation resulting from stimulation of nerve endings. The stimulus is carried by nerve fibers to the spinal cord and then to the brain, where the nerve…