Word: magnetron
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Heat Wave. During the war, employees of the Raytheon Co., which made magnetron (microwave) tubes for radar, found that they could give themselves diathermy ("deep heat") treatments by standing near tubes on the test rack. Some of them got so enthusiastic that they thought the waves could "cure anything...
...trick is done by shooting through the food a beam of ultra-high frequency radio energy from a magnetron, the tube which powered many wartime radars. The waves make the molecules in the raw food dance back & forth three billion times a second. Their motion generates heat. In seconds, the food gets hot. There is no waiting for the heat to seep in slowly, by conduction, from the surface...
...magnetron, by whirling electrons at high speed inside a magnetized cylinder, produced extremely short radio waves and great power. Its principle was not new. But the British had developed a high-powered version of it, and U.S. engineers perfected its radar adaptation...
...With the magnetron's help, the M.I.T...
...high-powered transmitter using a magnetron...