Word: arno
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Dates: during 1970-1979
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Many of the city's 39,000 people work in local factories ranging from heavy industry (like Pullman Bethlehem Steel) or small, light manufacturing (such as Arno Tape...
Doubts Dispelled. Until recently, radio telescopes were not designed to pick up such high frequencies, but the Bell researchers-Arno Penzias, Robert Wilson and Keith Jefferts-had some timely aid: a newly developed telephone transmission device that can convert frequencies in the multibillion-hertz range into more easily detectable radio frequencies of about 100 million hertz. After adapting this device to the National Radio Astronomy Observatory's 36-ft. dish antenna at Arizona's Kitt Peak, the Bell scientists aimed the radio telescope at the distant Orion Nebula, a region of glowing gases more than 1,600 light...