(Encyclopedia) fluoroscopefluoroscopefl&oobreve;rˈəskōp [key], instrument consisting of an X-ray machine (see X ray) and a fluorescent screen that may be used by physicians to view the internal…
(Encyclopedia) Bliss, Sir Arthur, 1891–1975, English composer. Bliss's teachers included Charles Stanford, Ralph Vaughan Williams, and Gustav Holst. He was made Master of the Queen's Musick in 1953.…
(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…
(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…
record company founder and executiveBorn: 11/28/1929Birthplace: Detroit Gordy pursued a career as a boxer and served in the U.S. Army before returning to Detroit where he opened his own record…
(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…
(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…
(Encyclopedia) Holst, GustavHolst, Gustavhŏlst [key], 1874–1934, English composer, studied at the Royal College of Music. Grieg, Richard Strauss, and Ralph Vaughan Williams influenced his early work…