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supply and demand

(Encyclopedia)supply and demand, in classical economics, factors that are said to determine price, by correlating the amount of a given commodity producers hope to sell at a certain price (supply), and the amount o...

astrology

(Encyclopedia)astrology, form of divination based on the theory that the movements of the celestial bodies—the stars, the planets, the sun, and the moon—influence human affairs and determine the course of event...

precession of the equinoxes

(Encyclopedia)CE5 Precession of the equinoxes (the points at which the earth's celestial equator intersects its ecliptic) is due to the slow rotation of the earth's axis around a perpendicular to the ecliptic. ...

work

(Encyclopedia)work, in physics and mechanics, transfer of energy by a force acting to displace a body. Work is equal to the product of the force and the distance through which it produces movement. Although both fo...

Voltaire, François Marie Arouet de

(Encyclopedia)Voltaire, François Marie Arouet de fräNswäˈ märēˈ ärwāˈ də vôltĕrˈ [key], 1694–1778, French philosopher and author, whose original name was Arouet. One of the towering geniuses in lite...

Godwin

(Encyclopedia)Godwin or Godwine both: gŏdˈwĭn [key], d. 1053, earl of Wessex. He became chief adviser to King Canute, was created (c.1018) an earl, and was given great wealth and lands. After Canute's death (103...

Housman, A. E.

(Encyclopedia)Housman, A. E. (Alfred Edward Housman) housˈmən [key], 1859–1936, English poet and scholar, whose verse exerted a strong influence on later poets. He left Oxford without a degree because he had fa...

Hartley, Marsden

(Encyclopedia)Hartley, Marsden, 1877–1943, American painter widely considered the first great American modernist of the 20th cent., b. Lewiston, Maine. He was educated in Cleveland, but early in his career (1899)...

Steichen, Edward

(Encyclopedia)Steichen, Edward stīˈkən [key], 1879–1973, American photographer, b. Luxembourg, reared in Hancock, Mich. Steichen is credited with the transformation of photography into an art form. At 16, whil...

Piaget, Jean

(Encyclopedia)Piaget, Jean zhäNpyäˈjā [key], 1896–1980, Swiss psychologist, known for his research in developmental psychology. After receiving a degree in zoology from the Univ. of Neuchâtel (1918), Piaget'...