Word: electromagneticism
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The Civil Defense radio program is known as "Conelrad" (for Control of Electromagnetic Radiation). It will go into effect the instant hostile aircraft are detected approaching the U.S. All TV and FM transmitters will go off the air. All AM transmitters will either be silenced or will switch their frequencies...
The method developed by Purcell and his group here will enable scientists to obtain new information on the structure of atomic nuclei, by measuring the very weak radio electromagnetic waves emit- ted by spinning sub atomic particles.
Assume, said Hogben, that the earth's "E.T.N." (Extraterrestrial Neighbors) can perceive or record radiation in some part of the electromagnetic spectrum (light, heat, radio waves, etc.) Also assume that the earth can send such radiation strongly enough to reach the nearest planets. After all, radio waves are being...
¶ Elwood Kretsinger, professor of speech at the University of Oklahoma, announced that he had invented a device to enable teachers to tell whether their charges are interested in their work or not. He strings wires generating an electromagnetic field to the backs of classroom chairs, connects them to a...
Gentle Dr.Albert Einstein has a learned complaint to make in the current Scientific American.* In language shrouded in darkling mathematics, he takes modern physicists to task for what he considers their lack of interest in the greatest problem still unsolved. "There exists a passion for comprehension," writes Dr. Einstein, "just...