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Biggs, E. Power

(Encyclopedia)Biggs, E. Power (Edward George Power Biggs), 1906–77, Anglo-American organist. Biggs studied at the Royal Academy of Music, London. He emigrated to the United States in 1930. Through many recitals, ...

cellular telephone

(Encyclopedia)cellular telephone or cellular radio, telecommunications system in which a portable or mobile radio transmitter and receiver, or “cellphone,” is linked via microwave radio frequencies to base tran...

Langley, Samuel Pierpont

(Encyclopedia)Langley, Samuel Pierpont, 1834–1906, American scientist, b. Roxbury, Mass., received only a high school education but continued his studies in science in Boston libraries. He became, in 1866, profes...

modulation, in communications

(Encyclopedia)CE5 Modulation modulation, in communications, process in which some characteristic of a wave (the carrier wave) is made to vary in accordance with an information-bearing signal wave (the modulatin...

Levallois-Perret

(Encyclopedia)Levallois-Perret ləvälwäˈ-pĕrāˈ [key], residential and industrial suburb of Paris (1990 pop. 47,788), Hauts-de-Seine dept., N central France, on the Seine River. Automobiles, electrical and rad...

Oberlin, Russell Keys

(Encyclopedia)Oberlin, Russell Keys, 1928–2016, American countertenor, b. Akron, Ohio, grad. Juilliard, 1951. A boy soprano, he sang in his church choir and on the radio, and won a nationwide radio talent competi...

noise

(Encyclopedia)noise, any signal that does not convey useful information. Electrical noise consists of electrical currents or voltages that interfere with the operation of electronic systems. Electrical noise limits...

Fleetwood

(Encyclopedia)Fleetwood, town, Lancashire, NW England, on Morecambe Bay at the mouth of the Wyre estuary. Fleetwood, a port, trades and has a ferry service with the I...

Rambouillet

(Encyclopedia)Rambouillet, town (1990 pop. 25,293), Yvelines dept., N France. It is a summer resort in the heart of a magnificent forest. Sheep are raised, and radio equipment and plastics are made. The nearby châ...

Hawaii, University of

(Encyclopedia)Hawaii, University of, at Honolulu (Manoa Campus), Hilo, and Pearl City (West Oahu Campus) with additional community college campuses; land-grant and state supported; coeducational; chartered 1907, op...