Word: detective
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Dates: during 1960-1969
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...equipment up to $429,000. Harris took to flying around in airplanes to spot boxcars of lard on remote railroad sidings, seized the very plane that was to take Castro home from the United Nations sessions in New York last September, set up his own private intelligence system to detect planes and boats arriving from Cuba...
Having analyzed the moth's sonar-detecting apparatus in the laboratory, Roeder and Treat tried it out in the field against real bats. They set up their apparatus on a Massachusetts hillside, and at nightfall their wired moth began to detect the ultrasonic cries of bats. From the traces on their oscillograph, the biologists could tell whether an invisible bat was approaching or flying away. Later, when Roeder and Treat turned on a powerful floodlight, they could watch the bats diving on their prey and hear, through the captive moth's ear, the bats' searching sonar beeps...
When a missile plunges into ZAR's range, it will reflect radar pulses back to Kwajalein. Waiting to detect them is a 1,400 ton Luneberg lens, an assembly of foamed plastic cubes containing metal threads, which will concentrate the reflected radar energy like a magnifying glass. The lens rotates in time with ZAR on a massive thrust bearing, and is housed in a plastic sphere 100 ft. in diameter...
...detect an incoming missile while it is still high in space. As soon as the missile has been "acquired," another radar (Zeus Discrimination Radar) will zero in and decide whether the approaching object is actually an enemy warhead, or a decoy, or a bit of space flotsam. If it is a warhead, the missile will be turned over to a third radar, which will track it until the time comes to shoot it down with a three-stage Nike Zeus rocket. All this will be automatic, and it will happen too quickly for human hand or brain to follow...
Unlimited Horizon. Detection by infra-red can perform incredible feats. A person can put his hand against a wall for a short time, and an infra-red camera taking a picture of the other side of the wall will later pick out the imprint of the hand. The temperature of the moon can be easily measured. Scientists are experimenting to see if infra-red can detect the presence of cancer by changes in skin temperature. Although infra-red was developed primarily for the military and to guide and track missiles, detect camouflage and take aerial photographs through fog, other uses...