Word: radars
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Dates: during 1960-1969
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This was man's first radar contact with the distant planet. It is a tough target to hit, for it is only 3,010 miles in diameter, not very much bigger than the moon, and its orbit keeps it close to the troublesome sun. When Goldstone's radar waves set out for Mercury, they had an effective strength of 25 billion watts. By the time they straggled back, they mustered only five ten-thousandths of a billionth of a billionth of a watt. They had lost the even regularity of oscillation with which they had started...
During World War II, Whipple developed the confusion reflectors or windows used by American planes to mix-up enemy radar statioins. Earlier, he had won the Donohue medal for independently discovering six comets...
...computer experts cursed at the refusal of a simple, 275-h.p. diesel engine to start so that the servicing gantry could be rolled away from the poised missile. Although the diesel finally was repaired, the launch was scrubbed at T-minus-13 because of trouble with a vital tracking radar at Bermuda. Cooper could only have been disappointed by the delay, but as he walked slowly away from the missile, he summoned up a grin. "I was," he said, "just getting to the real fun part...
Today, the U.S. maintains some 4,500 military personnel in Thailand. They help build roads, fly helicopters and operate U.S.-Thai radar stations. One group of Navy Seabees is building a 6000-yard jet airstrip near the frontier with Laos...
Lincoln Lab scientists watched the cloud by radar and saw it grow longer and longer as the thin wires separated. In about two months the wires should be evenly distributed around the earth, occupying a belt five miles wide and 25 miles thick...