Word: radars
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Dates: during 1940-1949
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...times. Its saturation raids fell upon steel and tin mills, munitions works, coal piles and chemical plants in the broken Ruhr, and crews noted that the once-perpetual haze from factory chimneys no longer thickened the night over Germany's industrial valley. Once the night bombers hit the radar works at Friedrichshafen, flew to North Africa over a route free of Nazi fighters, then struck the Italian navy yards at La Spezia on the way home...
...Cairo to Nazi Hans Dieckhoff's quarters in the German Foreign Office in Berlin. (Said Dieckhoff, the last Nazi Ambassador to the U.S., "Russia opposes Germany's destiny." Said Taylor, "Who doesn't?") They include an interview with Sir Robert Alexander Watson Watt, developer of radar. "Forget the impossible," Watt said. "Few things are impossible." They include a vivid picture of Woodrow Wilson shortly before his death, when young Henry and his father visited the stricken ex-President. "He was not feeble. Often his right arm struck the air in a weird and menacing gesture, then struck...
This predicament was no surprise to WPB's Radio & Radar Division. It had reduced types of tubes from 600 to 114, devised new lines of other parts designed to save critical materials. But it had not been able to give manufacturers high enough priorities to get enough materials to make the parts...
...Radar, one of the most heavily curtained of war secrets, was bared for a quick peek by the Army and Navy. The word stands for "radio detecting and ranging." Basis of operation, a high-frequency radio ray, scanning air or sea, bounces back from objects it strikes: e.g., ships or planes. Radar measures the infinitesimal fraction of a second this takes (at 186,000 miles an hour), thus calculates distance as well as direction. Both Britain and Germany have similar devices...
Promika has not yet successfully supplanted mica except for most types of radio condensers. But with literally billions of those needed for radar, walkie-talkies, inter-communicators, etc., this is a huge step forward. Natural mica "fails" at lower temperatures than Promika. Moreover, 1 lb. of Polectron replaces 10-15 lb. of natural block mica (on which rejects and wastage are very high), thus costs less than Indian mica...