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eccentric

(Encyclopedia)eccentric, in mechanics, device for changing rotary to back-and-forth motion. A disk is mounted off center on a shaft. One flat, open, circular end of a rod fits around the edge of the disk; the other...

De Filippo, Eduardo

(Encyclopedia)De Filippo, Eduardo ādwärˈdō dā fēlĭpˈpō [key], 1900–1984, Neapolitan playwright and actor. In his scores of plays he combined pathos and farce. Napoli milionaria (1946) depicts postwar Nap...

Changchun

(Encyclopedia)Changchun chängˈcho͝onˈ [key], city, capital of Jilin prov., China, on the railroad between Harbin ...

Fire, Andrew Zachary

(Encyclopedia)Fire, Andrew Zachary, 1959–, American geneticist, b. Palo Alto, Calif., Ph.D. Massachusetts Institute of Technology, 1983. After a long association with the Carnegie Institution of Washington (1986�...

opposition

(Encyclopedia)opposition, in astronomy, alignment of two celestial bodies on opposite sides of the sky as viewed from earth. Opposition of the moon or planets is often determined in reference to the sun. Only the s...

Buridan, Jean

(Encyclopedia)Buridan, Jean byo͝orˈĭdən, Fr. zhäN bürēdäNˈ [key], d. c.1358, French scholastic philosopher. Rector of the Univ. of Paris, he was a follower of William of Occam and a nominalist. Buridan pro...

Tchelitchew, Pavel

(Encyclopedia)Tchelitchew, Pavel päˈvĕl chālēˈchĕf [key], 1898–1957, Russian-American painter. His first commissions, ballet designs, were given him while he was living in Berlin (1921–23), whence he had...

Weber, Ernst Heinrich

(Encyclopedia)Weber, Ernst Heinrich vāˈbər [key], 1795–1878, German physiologist. He was a professor at the Univ. of Leipzig (1821–71) and is known for his work on touch and for the formulation of Weber's l...

Weber, Wilhelm Eduard

(Encyclopedia)Weber, Wilhelm Eduard vĭlˈhĕlm āˈdo͞oärt vāˈbər [key], 1804–91, German physicist. He was professor (1831–37, 1849–91) at the Univ. of Göttingen, where he worked with C. F. Gauss on te...

spectroheliograph

(Encyclopedia)spectroheliograph, device for photographing the surface of the sun in a single wavelength of light, usually one corresponding to a chief element contained in the sun, e.g., hydrogen or calcium; the re...