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Chu Hsi

(Encyclopedia)Chu Hsi jo͞o shē [key], 1130–1200, Chinese philosopher of Neo-Confucianism. While borrowing heavily from Buddhism, his new metaphysics reinvigorated Confucianism. According to Chu Hsi, the normati...

Ajivika

(Encyclopedia)Ajivika äjēˈvĭkə [key], religious sect of medieval India, once of major importance. The Ajivikas were an ascetic, atheistic, anti-Brahmanical community whose pessimistic doctrines are related to ...

determinism

(Encyclopedia)determinism, philosophical thesis that every event is the inevitable result of antecedent causes. Applied to ethics and psychology, determinism usually involves a denial of free will, although many ph...

Ferguson, Adam

(Encyclopedia)Ferguson, Adam fûrˈgəsən [key], 1723–1816, Scottish philosopher and historian. He was professor of philosophy at the Univ. of Edinburgh (1759–85). His Essay on the History of Civil Society (17...

Huygens, Christiaan

(Encyclopedia)Huygens, Christiaan krĭsˈtyän hoiˈgəns [key], 1629–95, Dutch mathematician and physicist; son of Constantijn Huygens. He improved telescopic lenses and discovered (1655) a satellite of Saturn a...

Ehrenfest, Paul

(Encyclopedia)Ehrenfest, Paul poul āˈrənfĕst [key], 1880–1933, Austrian physicist. In 1904, Ehrenfest received his doctorate in theoretical physics in Vienna and married the Russian mathematician Tatyana Alex...

Hägerstrom, Axel

(Encyclopedia)Hägerstrom, Axel äkˈsəl hägˈərstrôm [key], 1868–1939, Swedish philosopher. He was a student (1886–93) at Uppsala Univ. and taught there from 1893 until his retirement in 1933. The son of a...

Wilkins, Roy

(Encyclopedia)Wilkins, Roy, 1901–81, American social reformer and civil-rights leader, b. St. Louis, Mo.; grad. Univ. of Minnesota (B.A., 1923). While a student, Wilkins served as secretary of the local chapter o...

Shakers

(Encyclopedia)Shakers, popular name for members of the United Society of Believers in Christ's Second Appearing, also called the Millennial Church. Members of the movement, who received their name from the tremblin...

integrated circuit

(Encyclopedia)integrated circuit (IC), electronic circuit built on a semiconductor substrate, usually one of single-crystal silicon. The circuit, often called a chip, is packaged in a hermetically sealed case or a ...