Word: x-rayed
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...their seats when rumpled-haired Dr. William David Coolidge began to explain his further experiments with cathode rays. Dr. Coolidge, assistant director of the General Electric Co.'s research laboratories, had just received the Institute's Edison Medal for his "contributions to the incandescent electric lighting and x-ray arts" by his development of ductile tungsten for bulb filaments and x-ray targets. At the same ceremony John Joseph Carty of the American Telephone & Telegraph Co. had received the John Fritz Medal for his "development of research in the telephone...
...stream of electrons speeding from one of the wires, the cathode. They were cathode rays and they behaved in some ways like radium, soon after to be discovered by the Curies. They made the vacuum tube glow with-brilliant fluorescence. If a piece of metal were sealed in the tube, in the path of the rays, the metal became very hot. It also cast a sharp shadow on the wall of the tube. The Crookes tube, refined in mechanism, is the common x-ray tube of today, useful to physicists, metallurgists, biologists, doctors, dentists. (In 1895 the German physicist Wilhelm...
Coolidge Tube. In x-ray tubes the electrons popping from the cathode are imprisoned within the tubes. How to get them outside became a problem for scientists. Philip Lenard, Nobel prizewinner for 1905 and now professor at the University of Heidelberg, solved it by placing a thin aluminum "window," one eighth of an inch in diameter, at one end of a tube. Electrons passed through it, but feebly. He used only 30,000 volts of electricity...
Friends of Mary du Cauray, Duchess of Bedford, recalled that she is a busy expert in the realm of X-ray and electro-physics with little time for champagne christenings. "What are the peculiarities of mountain eagles in flight?" is a question which so intrigues the Duchess of Bedford that she passed a recent holiday above Spain, chasing mountain eagles by airplane...
...might also be used to illustrate the principle involved. This comment should not be taken as a reflection on all conditional gifts on even on most of them to do so would be not only to look into the mouth of a gift horse, but to insist on an X-ray of the molars. But the swimming-pool gymnasium situation is so typical of the exception that this comment is offered with no stinting of gratitude, but rather as a plea for an earlier availability of a generous gift...