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cathode-ray tube
(Encyclopedia) CE5 Cathode-ray tube cathode-ray tube (CRT), special-purpose electron tube in which electrons are accelerated by high-voltage anodes, formed into a beam by focusing electrodes, and projected towar...Barkla, Charles Glover
(Encyclopedia)Barkla, Charles Glover glŭˈvər bärˈklə [key], 1877–1944, English physicist. He was professor of natural philosophy at Edinburgh from 1913. For his discovery of the characteristic X rays of ele...Siegbahn, Karl Manne Georg
(Encyclopedia)Siegbahn, Karl Manne Georg, 1886–1978, Swedish physicist. In 1913, he began a series of experiments that led to the discovery of the M series of X rays and demonstrated the shell arrangement of elec...Laue, Max von
(Encyclopedia)Laue, Max von mäks fən louˈə [key], 1879–1960, German physicist, studied under Max Planck. From 1919 he was professor of theoretical physics at the Univ. of Berlin. He worked out a method for me...California Institute of Technology
(Encyclopedia)California Institute of Technology, at Pasadena, Calif.; originally for men, became coeducational in 1970; founded 1891 as Throop Polytechnic Institute; called Throop College of Technology, 1913–20....Crab Nebula
(Encyclopedia)Crab Nebula, diffuse gaseous nebula in the constellation Taurus; cataloged as NGC 1952 and M1, the first object recorded in Charles Messier's catalog of nonstellar objects (see Messier catalog). It is...Gasser, Herbert Spencer
(Encyclopedia)Gasser, Herbert Spencer găsˈər [key], 1888–1963, American physiologist, b. Platteville, Wis., grad. Univ. of Wisconsin (B.A., 1910; M.A., 1911), M.D. Johns Hopkins, 1915. From 1931 to 1935 he was...Lipscomb, William Nunn, Jr.
(Encyclopedia)Lipscomb, William Nunn, Jr. lĭpˈskəm [key], 1919–2011, American physical chemist, b. Cleveland, Ph.D. California Institute of Technology, 1946. A professor of chemistry at the Univ. of Minnesota ...elasmobranch
(Encyclopedia)elasmobranch ĭlăsˈməbrăngk [key], cartilaginous fish, member of the subclass Elasmobranchii of the vertebrate class Chondrichthyes (see Chordata). This group includes sharks, skates, and rays. ...pentimento
(Encyclopedia)pentimento pĕnˌtəmĕnˈtō [key], painter's term for the evidence in a work that the original composition has been changed. Often the opaque pigment with which the artist covered a mistake or unwan...Browse by Subject
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