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Color -television: Unfortunately, one of the major technological problems of such a communications system is the lack of frequency space in the currently available radio spectrum. Each of the personal television transmitters would require about four megahertz of frequency space, which is equal to that of a commercial television station. If this is multiplied by the hundreds of thousands of potential simultaneous personal-television users, the frequency bandwidth required would be far greater than all of the radio and television frequencies now in use.
In engineering three men were honored: (1) Edwin H. Land, president of the Polaroid Corp., was recognized for his development of synthetic polarizers for light and for his contributions to color -television television as well as to the understanding of color -television vision; (2) Igor I. Sikorsky, former engineering manager of the Sikorsky Aircraft Division of United Aircraft Corp., was honored for his pioneering accomplishments in multiengine aircraft, transoceanic flying boats, and helicopters; and (3) George B.
Tion takes place in the home, on the playground, at movies, and when they are listening to radio programs, viewing television, or reading comics. The time spent on radio and television, the various programs available, the favorite programs of children and youth, parents and teachers, the possible values, and the effect of television upon pupils' academic success have been studied and reviewed by Witty (174, 1958). During a week some children spend as much time viewing television as they spend in school. They spend more time in viewing TV than in any other single activity except sleeping. Obviously this use of time crowds out voluntary reading for some children. |
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