Columbia Encyclopedia

Search results

500 results found

Fermi National Accelerator Laboratory

(Encyclopedia)Fermi National Accelerator Laboratory (Fermilab), physical science research center located near Batavia, Ill., est. 1968 as the National Accelerator Laboratory, renamed 1974 in honor of Enrico Fermi. ...

Haroche, Serge

(Encyclopedia)Haroche, Serge, 1944–, French physicist, Ph.D. Paris VI Univ., 1971. He was a professor at Pierre and Marie Curie Univ. from 1975 to 2001 and at Paris VI Univ. from 1982 to 2001, when he joined the ...

Julius I, Saint

(Encyclopedia)Julius I, Saint, pope (337–52), a Roman; successor of St. Marcus. In the controversy over Arianism, when both sides appealed to him for support, he convened a synod at Rome (340), at which were pres...

Broglie, Louis Victor, duc de

(Encyclopedia)Broglie, Louis Victor, duc de, 1892–1987, French physicist. In 1928 he became professor in the faculty of sciences, Univ. of Paris. It was known from the earlier quantum theory that light waves some...

Yorkshire terrier

(Encyclopedia)Yorkshire terrier, breed of small, spirited toy dog originated and developed in Yorkshire, England, in the mid-19th cent. It stands about 9 in. (22.8 cm) high at the shoulder and weighs from 4 to 7 lb...

vomiting

(Encyclopedia)vomiting, ejection of food and other matter from the stomach through the mouth, often preceded by nausea. The process is initiated by stimulation of the vomiting center of the brain by nerve impulses ...

Werner, Abraham Gottlob

(Encyclopedia)Werner, Abraham Gottlob äˈbrähäm gôtˈlōp vĕrˈnər [key], 1750–1817, German geologist. In 1775 he became inspector and teacher in the mining academy at Freiberg, which through his efforts be...

neutrino astronomy

(Encyclopedia)neutrino astronomy, study of stars by means of their emission of neutrinos, fundamental particles that result from nuclear reactions and are emitted by stars along with light. Approximately 100 billio...

linoleum

(Encyclopedia)linoleum lĭnōˈlēəm [key], resilient floor or wall covering made of burlap, canvas, or felt, surfaced with a composition of wood flour, oxidized linseed oil, gums or other ingredients, and colorin...

lac

(Encyclopedia)lac, resinous exudation from the bodies of females of a species of scale insect (Tachardia lacca), from which shellac is prepared. India is the chief source of shellac, although some is obtained from ...