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Rogers, Will
(Encyclopedia)Rogers, Will (William Penn Adair Rogers), 1879–1935, American humorist, b. Oolagah, Indian Territory (now in Oklahoma). In his youth he worked as a cowboy in Oklahoma, and after traveling over the w...oratory
(Encyclopedia)oratory, the art of swaying an audience by eloquent speech. In ancient Greece and Rome oratory was included under the term rhetoric, which meant the art of composing as well as delivering a speech. Or...ultrasonics
(Encyclopedia)ultrasonics, study and application of the energy of sound waves vibrating at frequencies greater than 20,000 cycles per second, i.e., beyond the range of human hearing. The application of sound energy...electronics industry
(Encyclopedia)electronics industry, the business of creating, designing, producing, and selling devices such as radios, televisions, stereos, computers, semiconductors, transistors, and integrated circuits (see ele...shooting star, in astronomy
(Encyclopedia)shooting star, in astronomy: see meteor. ...Giacconi, Riccardo
(Encyclopedia)Giacconi, Riccardo, 1931–2018, Italian-American astrophysicist, b. Milan, Italy, Ph.D. Univ. of Milan 1954. He was a researcher at American Science and Engineering Corporation (1959–73), professor...Barrymore
(Encyclopedia)Barrymore, Anglo-American family of actors. Lionel and Ethel's younger brother, John Barrymore,John Barrymore, 1882–1942, b. Philadelphia, tried his hand at painting and cartooning before turning ...wave, in physics
(Encyclopedia)wave, in physics, the transfer of energy by the regular vibration, or oscillatory motion, either of some material medium or by the variation in magnitude of the field vectors of an electromagnetic fie...Greeley, Andrew Moran
(Encyclopedia)Greeley, Andrew Moran, 1928–2013, American Roman Catholic priest, sociologist, and author, b. Oak Park, Ill.; studied St. Mary of the Lake Seminary, Mundelein, Ill. (ordained 1954). He was (1954–6...Bandung
(Encyclopedia)Bandung or Bandoeng both: bänˈdo͞ong [key], city (2020 pop. 2,444,160), capital of Java Barat prov., W Java, ...Browse by Subject
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