Columbia Encyclopedia

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Plano

(Encyclopedia)Plano plāˈnō [key], city (1990 pop. 128,713), Collin co., N Tex., less than 20 mi (32 km) NE of Dallas; inc. 1873. In a farm and livestock area on the blackland prairie, Plano is a booming financia...

National Aeronautics and Space Administration

(Encyclopedia)National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the areas of space e...

Contreras

(Encyclopedia)Contreras kōntrāˈräs [key], village, central Mexico, near Mexico City, site of an important battle (Aug. 19–20, 1847) of the Mexican War. Gen. Winfield Scott, continuing his advance after the ba...

Figueres

(Encyclopedia)Figueres –räs [key] town, Girona prov., NE Spain, in Catalonia, near the French border. Tr...

Escondido

(Encyclopedia)Escondido ĕskəndēˈdō [key], city (2020 pop. 151,038), San Diego co., S Calif.; inc. 1888. ...

Ansip, Andrus

(Encyclopedia)Ansip, Andrus, 1956–, Estonian political leader. Ansip was an engineer (1979–83) before becoming an official of the Tartu district committee of the Estonian Communist party (1986–88). Ansip was ...

Goldmark, Peter Carl

(Encyclopedia)Goldmark, Peter Carl, 1906–77, Hungarian-American engineer, b. Budapest. He studied at the Univ. of Vienna (B.S., 1929, Ph.D., 1931); worked for a radio company in England (1931–33). After emigrat...

microwave

(Encyclopedia)microwave, electromagnetic wave having a frequency range from 1,000 megahertz (MHz) to 300,000 MHz, corresponding to a wavelength range from 300 mm (about 12 in.) to 1 mm (about 0.04 in.). Like light ...

Armstrong, Edwin Howard

(Encyclopedia)Armstrong, Edwin Howard, 1890–1954, American engineer and radio inventor, b. New York City, grad. Columbia (E.E. 1913). He was associated in research with Michael I. Pupin at Columbia and became pro...

Rockville

(Encyclopedia)Rockville, city (1990 pop. 44,835), seat of Montgomery co., W central Md., a NW suburb of Washington, D.C.; settled c.1760s, inc. as a city 1860. It has several scientific research and technology labo...