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Raman effect
(Encyclopedia) Raman effectRaman effecträˈmən [key], appearance of additional lines in the spectrum of monochromatic light that has been scattered by a transparent material medium. The effect was…stereophonic sound
(Encyclopedia) stereophonic sound, sound recorded simultaneously through two or more electronic channels. For live recordings, microphones are placed in different positions relative to the sound…Wood, Robert Williams
(Encyclopedia) Wood, Robert Williams, 1868–1955, American physicist, b. Concord, Mass., grad. Harvard (B.A., 1891). After studying abroad he became associated with Johns Hopkins as professor of…Yang, Chen-ning
(Encyclopedia) Yang, Chen-ningYang, Chen-ningchĕn-nĭng yäng [key], 1922–, American physicist, b. China, Ph.D. Univ. of Chicago, 1948. Yang was a member of the Institute for Advanced Study at…multiple birth
(Encyclopedia) multiple birth, bringing forth of more than one offspring at birth. Although many smaller mammals bear several young at a time, multiple births are relatively uncommon in humans and…computer music
(Encyclopedia) computer music, term used to describe music composed or performed with the aid of a computer. The first substantial piece of music composed on a computer was the Illiac Suite (1956) by…hearing aid
(Encyclopedia) hearing aid, device used in some forms of deafness to amplify sound before it reaches the auditory organs. Modern hearing aids are electronic. They contain a tiny receiver and a…Tesla, Nikola
(Encyclopedia) Tesla, NikolaTesla, Nikolatĕsˈlə [key], 1856–1943, American electrician and inventor, b. Croatia (then an Austrian province). An ethnic Serb, he immigrated to the United States in 1884…Theories of the Universe: Planck's Constant
Planck's ConstantTheories of the UniverseThat Old Quantum TheoryPlanck's ConstantPhotoelectric Effect Explained, the Quantum Strikes AgainBohr's Atomic Theory In Cracks in a Newtonian World, we…Microevolution and Macroevolution: Microevolution
MicroevolutionMicroevolution and MacroevolutionIntroductionMicroevolutionSpeciationMacroevolution Microevolution is the change in the genome, or gene pool, for a given species in a relatively short…Trending
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