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Stefan, Josef
(Encyclopedia)Stefan, Josef yōˈzĕf shtĕfˈän [key], 1835–93, Austrian physicist. At the Univ. of Vienna he became a professor of physics and later director of the Physical Institute. From his observations on...coulomb
(Encyclopedia)coulomb ko͞oˈlŏm [key] [for C. A. de Coulomb], abbr. coul or C, unit of electric charge. The absolute coulomb, the current U.S. legal standard, is the amount of charge transferred in 1 second by a ...Carpocrates
(Encyclopedia)Carpocrates kärpŏkˈrətēz [key], fl. c.130–c.150, Alexandrian philosopher, founder with his son Epiphanes of a Hellenistic sect, notoriously licentious, related to Gnosticism. Epiphanes wrote a ...kinetic-molecular theory of gases
(Encyclopedia)kinetic-molecular theory of gases, physical theory that explains the behavior of gases on the basis of the following assumptions: (1) Any gas is composed of a very large number of very tiny particles ...magnitude
(Encyclopedia)magnitude, in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. a.d.), all visible with the unaided eye, were ranked on a brightness sc...Riemann, Bernhard
(Encyclopedia)Riemann, Bernhard (Georg Friedrich Bernhard Riemann) gāˈôrk frēˈdrĭkh bĕrnˈhärt rēˈmän [key], 1826–66, German mathematician. He studied at the universities of Göttingen and Berlin and w...Qaboos bin Said Al-Said
(Encyclopedia)Qaboos bin Said Al-Said, 1940–2020, sultan of Oman (1970–2020). The only son of Sultan Said bin Taimur Al-Said, he served a year in the British army after graduating from Sandhurst. Upon his retur...reductions
(Encyclopedia)reductions, Span. reducciones, settlements of indigenous peoples in colonial Latin America, founded (beginning in 1609) to utilize efficiently native labor and to teach the natives the ways of Spanish...More, Henry
(Encyclopedia)More, Henry, 1614–87, English philosopher, one of the foremost representatives of the school of Cambridge Platonists. His writings emphasized the mystical and theosophic phases of that philosophy, a...Megarian school
(Encyclopedia)Megarian school, Greek school of philosophy at Mégara from late 5th cent. to early 3d cent. b.c. Influenced by the Eleatic school and by Socrates, it was known for its interest in logic and for argum...Browse by Subject
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