Word: signalization
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Dates: during 1960-1969
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...check the relative positions of his sub and its target by means of a remarkable celestial-navigation system that can shoot the stars, by day as well as by night, in any kind of weather. From a small Datico testing computer plugged into the Polaris itself came the signal that every one of the missile's million-odd parts was in sound firing order. With that, the missile was sent splashing up out of the sea, arced 1,100 miles downrange and landed square in the target area...
NEAR, standing for National Emergency Alarm Repeater, is a home warning system still under study. In NEAR, a 240-cycle signal carried on regular 110-volt power lines would set small buzzers, plugged into alternating current outlets, to squawking. NEAR units could be installed in each home for a few dollars, might give warning to all within one minute after the discovery of an oncoming attack...
...electrons in an atom are already at the higher levels, incoming radiation of the proper frequency can "trigger" their fall, thus producing new radiation of the same frequency as the original signal and in effect amplifying...
...doing so rather dramatically: she has sold Longfellow and other buildings on the Appian Way, and will soon transfer the Radcliffe Ph.D. program to Harvard. Byerly will almost certainly be disposed of in the immediate future, and presumably the construction of the Radcliffe study center, will be the signal for sale of the Radcliffe library...
...cops carefully surveyed the one-story, yellow brick building during the day. A few nights later, three policemen jimmied the aluminum front door. A police car stopped across the street as lookout; one of the three burglars remained by the store window to watch for a flashing-headlight danger signal. At the safe, his two companions worked with a carborundum wheel, cooled it with cartons of milk. In 90 minutes the safe was cracked...