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infrared radiation
(Encyclopedia)infrared radiation, electromagnetic radiation having a wavelength in the range from c.75 × 10−6 cm to c.100,000 × 10−6 cm (0.000075–0.1 cm). Infrared rays thus occupy that part of the electrom...Plummer, Christopher
(Encyclopedia) Plummer, Christopher (Arthur Christopher Orme), 1929-2021, Canadian-American actor, b. Toronto, Canada. Raised by his mother, Plummer first aspire...Guillaume, Charles Édouard
(Encyclopedia)Guillaume, Charles Édouard shärl ādwärˈ gēyōmˈ [key], 1861–1938, Swiss physicist and metrologist, Ph.D. Zürich Polytechnic (now the Federal Institute of Technology), 1882. Guillaume joined ...Perry, William James
(Encyclopedia)Perry, William James, 1927–, U.S. government official, b. Vandergrift, Pa. A Ph.D. in mathematics, former Stanford engineering professor, and founder of a military electronics firm, he served (1977...Dalén, Nils Gustaf
(Encyclopedia)Dalén, Nils Gustaf, 1869–1937, Swedish engineer. Dalén joined the Gas Accumulator Company (later reorganized as the Swedish Gas Accumulator Company and known as AGA) in 1901 and remained with the ...Kremer, Michael Robert
(Encyclopedia)Kremer, Michael Robert, 1964–, American economist, b. New York City, Ph.D. Harvard, 1992. After serving as a postdoctoral fellow (1992–93) at the Massachusetts Institute of Technology, he taught e...Semyonov, Nikolay Nikolayevich
(Encyclopedia)Semyonov, Nikolay Nikolayevich, or Nikolai Nikolaevic Semenov, 1896–1986, Soviet physical chemist, Ph.D. Petrograd Univ., 1917. Semyonov was a professor at the Leningrad Physico-Technical Institute ...telephone
(Encyclopedia)CE5 Hand telephone telephone, device for communicating sound, especially speech, usually by means of wires in an electric circuit. The telephones now in general use evolved from the device invente...Morawiecki, Mateusz Jakub
(Encyclopedia)Morawiecki, Mateusz Jakub, 1968–, Polish economist, banker, and political leader, b. Wrocław, grad. Univ. of Wroclaw, 1992, Wrocław Univ. of Science and Technology, 1993, M.B.A. Wrocław Univ. of ...Browse by Subject
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