Word: volts
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Dates: during 1930-1939
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...proton elements; and every explosion, every coalescence scatters atomic energy. Professor Compton cannot duplicate solar heat, but with a mighty X-ray tube, he calculates, he can drive particles of matter at speeds so nearly solar that new atoms will result. His tool will be a 10,000-volt tube, five times the size of the tube whose description won the American Association for the Advancement of Science's $1,000 prize. If Professor Compton does eventually create or break up atoms, next great problem will be: How to use the energy thus released? All this exposition showed...
...crystals. The physics library now in Jefferson Laboratory will be moved to the new building, together with the collection in Craft Laboratory. Tutorial books will, however, remain in Jefferson, which is to be made over during the summer into classrooms, conference rooms, and elementary laboratories. The 100,000 volt storage battery now in use at the Cruft Laboratory will be moved into the annex, where it is to be used in the investigation of X rays...
...magnetism, read a paper worth $1,000, the annual Association award for outstanding address of the meeting. With three fellow physicists, Drs. L. R. Hafsted and Odd Dahl of Carnegie Institution and Dr. Gregory Breit of New York University, he worked for several years to develop a two-million-volt tube which produces X-rays equivalent to the gamma rays of 182 million dollars worth of radium. Laboratory significance : scientists by using these powerful rays may be able to burst the atom nucleus. Practical significance: X-rays from high voltage tubes resemble cancer-curing gamma rays, may possibly be used...
Millikan Tube. Members of the Radiological Society of North America meeting in Pasadena gave Dr. Robert Andrews Millikan, chairman of California Institute of Technology, a gold medal for a powerful X-ray source developed in his laboratories. The new 650,000-volt tube, the work of Dr. E. C. Lauritsen, is the most powerful ever demonstrated. Dr. William David Coolidge in General Electric Laboratories, Schenectady, has been experimenting for the past year with a 900,000-volt tube not yet perfected for demonstration. Hospitals today use a 200,000-volt tube. Five billion dollars worth of radium (20 Ib.) would...
Picture Tube. Also revealed at the Radiological Society meeting was the work an X-ray tube can do. Dr. George L. Clark, University of Illinois, told how he took moving pictures of molecules with the help of an X-ray tube. He used a newly developed 50,000-volt tube which makes it possible to take moving X-ray pictures. The tube acts as a powerful microscope. Rays hit the substance which Dr. Clark wished to photograph, were bent back to a fluorescent screen. When the screen was photographed the molecular changes in the substance were apparent...