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refraction
(Encyclopedia) refraction, in physics, deflection of a wave on passing obliquely from one transparent medium into a second medium in which its speed is different, as the passage of a light ray from…Ray, Man
(Encyclopedia) Ray, Man, 1890–1976, American photographer, painter, and sculptor, b. Philadelphia. Along with Marcel Duchamp, Ray was a founder of the Dada movement in New York and Paris. He is…Willughby, Francis
(Encyclopedia) Willughby, FrancisWillughby, Franciswĭlˈəbē [key], 1635–72, English naturalist. He is known especially for his early systematic work on birds and fishes, in which he made some of the…devilfish
(Encyclopedia) devilfish, name applied to the manta ray and to an American species of octopus.Roentgen, Wilhelm Conrad
(Encyclopedia) Roentgen or Röntgen, Wilhelm ConradRoentgen or Röntgen, Wilhelm Conradboth: rĕntˈgĭn, rŭntˈ–, Ger. vĭlˈhĕlm kônˈrät röntˈgən [key], 1845–1923, German physicist. His notable research in…CAT scan
(Encyclopedia) CAT scanCAT scankăt [key] [computerized axial tomography], X-ray technique that allows relatively safe, painless, and rapid diagnosis in previously inaccessible areas of the body; also…Bragg, Sir William Lawrence
(Encyclopedia) Bragg, Sir William Lawrence, 1890–1971, English physicist, b. Adelaide, Australia, educated in Australia and at Trinity College, Cambridge; son of W. H. Bragg. He was professor of…Magliozzi, Ray
“Car Talk” hostBirthplace: Cambridge, Mass.Born: 3/30/49Price, Ray
country music artistBirthplace: Perryville, Tex.Born: 1/12/26Ray, Aldo
(DaRe) actorBirthplace: Pen Argyl, Pa.Born: 1926Died: 1991Trending
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