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oral history

(Encyclopedia)oral history, compilation of historical data through interviews, usually tape-recorded and sometimes videotaped, with participants in, or observers of, significant events or times. Primitive societies...

extroversion and introversion

(Encyclopedia)extroversion and introversion, terms introduced into psychology by Carl Jung to identify opposite psychological types. Jung saw the activity of the extrovert directed toward the external world and tha...

bubble chamber

(Encyclopedia)bubble chamber, device for detecting charged particles and other radiation by means of tracks of bubbles left in a chamber filled with liquid hydrogen or other liquefied gas. It was invented in 1952 b...

Dravidians

(Encyclopedia)Dravidians drəvĭdˈēəns [key], name sometimes given to the peoples of S and central India and N Sri Lanka who speak Dravidian languages. They are so called for purely linguistic reasons; the peopl...

flamethrower

(Encyclopedia)flamethrower, mechanism for shooting a burning stream of liquid or semiliquid fuel at enemy troops or positions. Primitive types of flamethrowers, consisting of hollow tubes filled with burning coals,...

pasta

(Encyclopedia)pasta, generic name for thin pieces of hardened, unleavened dough that are molded into various shapes and boiled, not baked. Pasta is commonly associated with Italian cuisine, though similar wheat flo...

Leslie, Frank

(Encyclopedia)Leslie, Frank, 1821–80, American engraver and publisher, b. England. He learned his trade on the Illustrated London News, but in 1848 immigrated to New York City, where in 1855 he began publishing F...

anemia

(Encyclopedia)anemia ənēˈmēə [key], condition in which the concentration of hemoglobin in the circulating blood is below normal. Such a condition is caused by a deficient number of erythrocytes (red blood cell...

scherzo

(Encyclopedia)scherzo skĕrˈtsō [key] [Ital.,=joke], in music, term denoting various types of composition, primarily one that is lively and presents surprises in the rhythmic or melodic material. In 1607 a group ...

Koch, Jim

(Encyclopedia)Koch, Jim (C. James Koch) ko͝ok [key], 1949–, American brewery executive, b. Cincinnati. Although he came from a family of brewers, he initially worked for Outward Bound and as a manufacturing cons...