Columbia Encyclopedia

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radio

(Encyclopedia)CE5 A. AM transmitter B. AM receiver radio, transmission or reception of electromagnetic radiation in the radio frequency range. The term is commonly applied also to the equipment used, especially...

photography, still

(Encyclopedia)photography, still, science and art of making permanent images on light-sensitive materials. See also photographic processing; motion picture photography; motion pictures. By the end of ...

Confederacy

(Encyclopedia)Confederacy, name commonly given to the Confederate States of America (1861–65), the government established by the Southern states of the United States after their secession from the Union. (For the...

English art and architecture

(Encyclopedia)English art and architecture, the distinctive national art and architecture that art may be said to have evolved in the 12th cent. with the Norman style. Building before that time was in what is commo...

electricity

(Encyclopedia)CE5 Electrical and radio symbols electricity, class of phenomena arising from the existence of charge. The basic unit of charge is that on the proton or electron—the proton's charge is designate...

scene design and stage lighting

(Encyclopedia)scene design and stage lighting, settings and illumination designed for theatrical productions. See also drama, Western; Asian drama; theater; directing; acting. Scene designers in the early 20th ce...

Zambia

(Encyclopedia)CE5 Zambia zămˈbēə [key], officially Republic of Zambia, republic (2015 est. pop. 15,066,000), 290,584 sq mi (752,614 sq km), central Africa. It borders on Congo (Kinshasa) in the north, on Tan...

motion picture photography

(Encyclopedia)motion picture photography or cinematography, photographic arts and techniques involved in making motion pictures. See also photography, still. Cinematography developed as a separate craft ve...

Chicago, city, United States

(Encyclopedia)Chicago shĭkäˈgō, shĭkôˈgō [key], city (2020 pop. 2,746,388), seat of Cook co...

newspaper

(Encyclopedia)newspaper, publication issued periodically, usually daily or weekly, to convey information and opinion about current events. In England large newspaper-publishing empires were built up by Lords...