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Newcastle upon Tyne

(Encyclopedia)Newcastle upon Tyne, city and metropolitan borough (1991 pop. 199,064), NE England, on the Tyne River. The city is an important shipping and trade center. The famous coal-shipping industry began in th...

samarium

(Encyclopedia)samarium səmârˈēəm [key], metallic chemical element; symbol Sm; at. no. 62; at. wt. 150.36; m.p. 1,072℃; b.p. 1,791℃; sp. gr. 7.54 at 20℃; valence +2 or +3. Samarium is a lustrous silver-wh...

Unicode

(Encyclopedia)Unicode yo͞oˈnĭkōdˌ [key], set of codes used to represent letters, numbers, control characters, and the like, designed for use internationally in computers. It has been expanded to include such i...

celestial mechanics

(Encyclopedia)celestial mechanics, the study of the motions of astronomical bodies as they move under the influence of their mutual gravitation. Celestial mechanics analyzes the orbital motions of planets, dwarf pl...

money

(Encyclopedia)money, term that refers to two concepts: the abstract unit of account in terms of which the value of goods, services, and obligations can be compared; and anything that is widely established as a mean...

Leary, Timothy Francis

(Encyclopedia)Leary, Timothy Francis, 1920–96, American psychologist and educator, b. Springfield, Mass.; B.A., Univ. of Alabama, 1943; M.A., Washington State Univ.; Ph.D., Univ. of California at Berkeley, 1950. ...

machine tool

(Encyclopedia)machine tool, power-operated tool used for finishing or shaping metal parts, especially parts of other machines. An establishment that is equipped with such tools and specializes in such work is known...

library school

(Encyclopedia)library school, educational institution providing professional training for librarians (see also library). Librarians were trained by apprenticeship until the late 19th cent. The first school for trai...

Mauna Kea Observatories

(Encyclopedia)Mauna Kea Observatories mouˈnə kāˈə [key], astronomical observatory complex located on Mauna Kea peak, the “white mountain” on the island of Hawaii, at an altitude of more than 13,600 ft (4,1...

Johnson City

(Encyclopedia)Johnson City. 1 Village (1990 pop. 16,890), Broome co., S N.Y., in a tricity area including Endicott and Binghamton; inc. 1892. It has been noted for its Endicott-Johnson shoes. Originally called Lest...