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Escondido

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

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...

Bayeux

(Encyclopedia)Bayeux bäyo͞oˈ, Fr. bäyöˈ [key], town, Calvados dept., N France, in Normandy, near the English ...

Tuxtla Gutiérrez

(Encyclopedia)Tuxtla Gutiérrez to͞osˈtlä go͞otyārˈrās [key] or Tuxtla, city (1990 pop. 289,626), capital of Chiapas state, SE Mexico, in the fertile Grijalva valley and at the foot of the Chiapas highlands....

Saint Charles

(Encyclopedia)Saint Charles. 1 City (1990 pop. 22,501), Kane co., NE Ill., on the Fox River, a suburb of Chicago; inc. 1850. Located in an agricultural area (corn and soybeans), the city has food-processing, alumin...

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...

Santa Clara, city, Cuba

(Encyclopedia)Santa Clara sänˈtä kläˈrä [key], city (1994 est. pop. 217,000), capital of Villa Clara prov., central Cuba. It is a communications and commercial center located on major rail and highway junctio...

Reston

(Encyclopedia)Reston, uninc. city (1990 pop. 48,556), Fairfax co., N Va., a residential and commercial suburb c. 20 mi (32 km) W of Washington, D.C. A planned community, it was established in 1961 by real estate de...

Reyes, Rafael

(Encyclopedia)Reyes, Rafael räfäĕlˈ rāˈyās [key], 1850–1921, president of Colombia (1904–9). As a young man, he explored the upper Amazon wilderness with his brother. Later he distinguished himself in th...