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fluorescence

(Encyclopedia)fluorescence flo͝orĕsˈəns [key], luminescence in which light of a visible color is emitted from a substance under stimulation or excitation by light or other forms of electromagnetic radiation or ...

af Klint, Hilma

(Encyclopedia)af Klint, Hilma, 1862–1944, Swedish painter, grad. Swedish Royal Academy of Fine Arts, Stockholm (1887). She began painting mainly landscapes and portraits, but is known for her compelling abstract ...

communications industry

(Encyclopedia)communications industry, broadly defined, the business of conveying information. Although communication by means of symbols and gestures dates to the beginning of human history, the term generally ref...

Federal Communications Commission

(Encyclopedia)Federal Communications Commission (FCC), independent executive agency of the U.S. government established in 1934 to regulate interstate and foreign communications in the public interest. The FCC is co...

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...

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...

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...

Emery, Walter Ralph

(Encyclopedia) Emery, Walter Ralph, 1933-2022, American country music broadcaster, b. McEwen, Tn. Commonly recognized as the "Dick Clark" of country radio, Emery helped legitimatize and popularize the genre over ...

Benny, Jack

(Encyclopedia)Benny, Jack, 1894–1974, American comedian, b. Waukegan, Ill., as Benjamin Kubelsky. His shows on radio (1932–55) and television (1950–65) made famous his miserliness, reproachful silences, and v...

Gennevilliers

(Encyclopedia)Gennevilliers zhĕnvēyāˈ [key], town, Hauts-de-Seine dept., N central France, on the right bank of ...