Word: signal
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Dates: during 1940-1949
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...mother," cried her daughter. "Someone may hear you! Besides, I think the rats are going to attack again." In tense silence the two women waited. In silence, millions of rats, heads erect, whiskers vibrant, beady eyes alert, waited for that mass impulse, unreasoned but irresistible, which would be the signal for their hordes to remove these last human obstructions to the rat world...
These detectors have a great advantage in range over Radar itself, which is limited to the distance at which it can get back a detectable echo of its initial signal. Thus American use of search receivers often deprived the enemy of the use of their own radar, particularly in submarines, because they shut it off to avoid detection...
...President Roosevelt. The term "matrimonial question" meant the negotiations in Washington, and talk of childbirth meant that a crisis was at hand. All this was clear to the U.S. agents who had tapped the Japs' wires; the U.S., in peace as well as war, had all the Jap signal codes. This was what the agents heard...
...judges, a battery of interpreters would simultaneously translate every word into the three other languages. Each person in court would get a pair of earphones and a dial with which he could tune in on any desired language. Whenever an interpreter fell behind the proceedings, a yellow light would signal a slowdown. If the interpreter got really snafued, a red light would halt the trial...
Even if you know nothing about camera technique, you may soon be taking clear, indoor snapshots of Junior. The Army Signal Corps has developed a parent-proof camera with built-in sunlight. All you have to do-indoors or outdoors, day or night-is focus on the subject and pull the trigger. The camera does the rest...