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Brighouse

(Encyclopedia)Brighouse, town, Calderdale metropolitan district, N central England, on the Calder River. It is a center of wool, cotton, and silk milling and produces...

Bloomberg, Michael Rubens

(Encyclopedia)Bloomberg, Michael Rubens, 1942–, American businessman and politician, mayor of New York City (2002–2013), b. Boston, Mass., B.S. Johns Hopkins, 1964, M.B.A. Harvard, 1966. Rising quickly in the f...

Watson Lake

(Encyclopedia)Watson Lake, village (1991 pop. 912), SE Yukon, Canada, near the Liard River and the British Columbia border. It is a Royal Canadian Mounted Police Post, with an airfield and a radio station, located ...

pulsar

(Encyclopedia)pulsar, in astronomy, a neutron star that emits brief, sharp pulses of energy instead of the steady radiation associated with other natural sources. The study of pulsars began when Antony Hewish and h...

Crosby, Bing

(Encyclopedia)Crosby, Bing krôzˈbē [key], 1903–77, American singer and film actor, b. Tacoma, Wash., as Harry Lillis Crosby. He sang with dance bands from 1925 to 1930 and in 1931 began work in radio and films...

electromagnetic radiation

(Encyclopedia)CE5 Electromagnetic spectrum electromagnetic radiation, energy radiated in the form of a wave as a result of the motion of electric charges. A moving charge gives rise to a magnetic field, and if ...

Nacka

(Encyclopedia)Nacka näˈkä [key], city (1994 est. pop. 69,120), Stockholm co., E Sweden, on the Baltic Sea, a suburb of Stockholm. It has radio and television stations and shipyards. Manufactures include steam tu...

horology

(Encyclopedia)horology hōrŏlˈəjē [key], science of measuring time and technology of constructing instruments for its measurement or recording. Early measurements of the passage of time were based on observatio...

Dohnányi, Ernst von

(Encyclopedia)Dohnányi, Ernst von ĕrˈnö [key], 1877–1960, Hungarian composer, pianist, and conductor. He studied at the Royal Academy, Budapest (1894–97), and later became its director. As a pianist he tour...

reconnaissance satellite

(Encyclopedia)reconnaissance satellite, artificial satellite launched by a country to provide intelligence information on the military activities of foreign countries. There are four major types. Early-warning sate...