Word: infra
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Dates: during 1920-1929
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...Heat rays-infra red rays...
...council, according to A W Samborski '26. Director of Intramural Athletics, will be composed of undergraduates and graduate students chosen as representatives by the various clubs, fraternities, publications, and other organizations interested in any branch of infra-University competition. The committee will enter teams on the roster of the several recognized sports and will draw up schedules, make rules and regulations and settle any problem concerning this type of athletics...
...type, which could capture and transmit the minute image parts at unprecedented speed. Last week, between sessions of the British Association, members sought out Inventor Baird in Leeds to see him manipulate his latest tele-visors, which are now so refined that they can "see things at night." Using infra-red rays, on the long-wave edge of the spectrum of visible light, and an infra-red-sensitive cell of which Inventor Baird alone knows the secret, the Baird "noc-tovisor" transmits by wire or radio an image of a person sitting in a pitch-dark room. Some of Inventor...
...present limitation of nocto-vision, for purposes outside the laboratory, is that the infra-red rays must be supplied by a special searchlight...
...their attendant noises. While not yet perfect, television had reached its highest stage of development in last week's demonstration. Engineer Ernst Frederick Werner Alexanderson of the U. S., with his seven beams of light, John L. Baird of England, with his super-sensitive photo-electric cell and infra-red rays, C. Francis Jenkins in Washington, Edouard Belin of France, these had hounded success for many years. But it remained for Dr. Herbert Ive's,* bearded, bespectacled chief of the Bell television research staff, to correlate the achievements of his predecessors and direct the work of many...