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Word: spectrum (lookup in dictionary) (lookup stats)
Dates: during 1940-1949
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Usage:

...electronics, the radio spectrum has three main communications divisions: Medium Frequency, used for standard radio; Very High Frequency, used for television; Ultra High Frequency, now used for radar and airplane communication...

Author: /time Magazine | Title: Radio & TV: Is Your Set Obsolete? | 3/21/1949 | See Source »

...three-year head start.) Before the U.S. could take a good look, the war interfered; the toy had to be put back in the closet for five years. When it was examined again, it had two heads: one (a CBS product) was gaudy with all the colors of the spectrum; the other (by RCA) was black & white. Since the industry could not go off in both directions, and still take the public along,* the Federal Communications Commission had to make a hard choice. In a momentous decision (TIME, March 31, 1947), the color process, at present impractical commercially, was sent...

Author: /time Magazine | Title: Television: The Infant Grows Up | 5/24/1948 | See Source »

...Harvard chapter, under the chairmanship of Stanley G. Karson, embraces a full spectrum of political opinion from Stassen-Willkie Republicans on left wards to the fringe of Communism...

Author: By Bayard Hooper, | Title: Political Network Controlled by Few | 5/1/1948 | See Source »

Water & Greenery. Last week, Kuiper focused his spectrometer on the gleaming icecap, dwindling fast in the Martian May. It turned out to be "water in the solid state" (ice, snow or hoarfrost). If it had been solid carbon dioxide (dry ice), it would have shown an entirely different spectrum...

Author: /time Magazine | Title: Science: The Far-Away Lichens | 3/1/1948 | See Source »

...chemists' meeting last week, Dr. B. Smith Hopkins, 74, retired professor at the University of Illinois, rose to defend his priority on No. 61. In 1926, he insisted, he had found the element by observing its spectrum. Other experts testified that he must have made a mistake. Chief count against Dr. Hopkins' claim: Element 61 is so short-lived that it could hardly have existed in nature...

Author: /time Magazine | Title: Science: Nervous Elements | 9/29/1947 | See Source »

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