Word: signal
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Dates: during 1960-1969
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...discussed drama in terms of a radar image or a signal which is perceived from an object and returned to it in a cyclical stream...
...turn. Hartack kept the Dancer under a tight rein. Mr. Brick, a 16 to 1 long shot, set the pace through the backstretch; Hill Rise was sixth, the Dancer seventh. Then Hartack glanced to his right, saw Shoemaker flick his reins to urge Hill Rise forward. That was the signal. Hartack clucked to Northern Dancer, and in one wonderful burst of speed, the little colt bolted past Hill Rise, past Mr. Brick, past everybody, and into the clear. Turning for home, the Dancer had a two-length lead...
...Great Red Spot, which has been observed since 1831 and is generally thought to be some kind of cloud floating high in the planet's thick atmosphere. But according to Dr. Smith, the Spot changed its period of rotation at about the same time the sources of radio signals changed. This may mean that the Spot and the signal are connected in some way. Planets cannot slow their rotation without some outside influence, and there is no influence known to be working on Jupiter. But Jupiter's radio waves may be controlled by its magnetic field, which might...
...actually selecting the circuit which connects an indicator on the board to a special thermometer inside one of the Mallinckrodt pipes. Data boards by themselves are not fully automatic: the operator must decide what readings to take and then press the buttons. Also, a data board does not signal breakdowns in the system as they occur; the operator has to go looking for trouble...
...travels through the Tunnel when a loud series of long and short buzzes rang in his office. "That's our own private communication system," he explained. "There are telephones throughout the Tunnel, each with its own code of short and long rings. And when you make a call, the signal sounds on all of the phones. If you ever hear a steady 5-second blast, that means there's an emergency." (He added in passing that emergencies are rare. In fact, no serious explosion of a steam line has ever occurred...