Columbia Encyclopedia

(Encyclopedia) railroad or railway, form of transportation most commonly consisting of steel rails, called tracks, on which trains of freight cars, passenger cars, and other rolling stock are drawn by one locomotive...

(Encyclopedia) rock music, type of music originating in the United States in the mid-1950s and increasingly popular throughout much of the world. A turning point in rock music occurred in the mid-1970s in the ...

(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...

(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 ...

(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...

(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...

(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...

(Encyclopedia) Nobel Prizes

(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...

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