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neutrino astronomy

(Encyclopedia)neutrino astronomy, study of stars by means of their emission of neutrinos, fundamental particles that result from nuclear reactions and are emitted by stars along with light. Approximately 100 billio...

ultraviolet astronomy

(Encyclopedia)ultraviolet astronomy, study of celestial objects by means of the ultraviolet radiation they emit, in the wavelength range from about 90 to about 350 nanometers. Ultraviolet (UV) line spectrum measure...

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...

Hilversum

(Encyclopedia)Hilversum hĭlˈvərsəm [key], city, North Holland prov., central Netherlands. It is the center of ...

Gennevilliers

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

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, ...

Grand Ole Opry

(Encyclopedia)Grand Ole Opry, weekly American radio program featuring live country and western music. The nation's oldest continuous radio sho...

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...

Poulsen, Valdemar

(Encyclopedia)Poulsen, Valdemar välˈdəmär poulˈsən [key], 1869–1942, Danish electrical engineer. He invented (1898) the telegraphone (an early wire recorder) and the high-frequency Poulsen arc used in wirel...