Thomas Edison on the Development of Electricity
In a speech recorded on an Edison Gold Moulded cylinder for the opening of the New York Electric Show on October 3, 1908, Thomas Edison reflects on the technological advances of the era.
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Thomas Edison on the Development of Electricity
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In a speech recorded on an Edison Gold Moulded cylinder for the opening of the New York Electric Show on October 3, 1908, Thomas Edison reflects on the technological advances of the era.
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World's Oldest Recording
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In a report from the Voice of America at the 1959 International Scientific Congress at Georgetown University, Dr. Albert Sabin discusses the live poliovirus vaccine he developed and compares it to the inactivated, or “killed,” vaccine first developed by Dr. Jonas Salk seven years earlier.
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On May 28, 1959, in an experiment that would lead the way to manned space flight, the United States launched two monkeys to an altitude of 300 miles. A Voice of America news report details the travels of the two primates who survived the space flight and were the first in history to return safely to Earth.
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Radio Astronomy Points to Extraterrestrial Life
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In a 1960 broadcast, a Voice of America reporter interviews Dr. Campbell Wade of the National Radio Astronomical Observatory about his discoveries analyzing radio waves to see 1 billion light years into space and about the possibility of life on other planets.
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As the twin Voyager spacecraft prepare to embark on an extended mission to explore interstellar space in 2006, project scientist Ed Stone of California Institute of Technology recaps the major discoveries the Voyagers have made since their launch in 1977.
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On April 15, 1935, in the Long Lines Building at 32 Sixth Avenue in New York City, W.S. Gifford and T.G. Miller of the American Telephone and Telegraph Company take part in a historic phone call. While they are speaking on the phone from offices just 50 feet apart, the call is transmitted over a telephone circuit that stretches approximately 23,000 miles around the world.
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First American Woman in Space
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Sally Ride becomes the first American woman in space when the shuttle Challenger takes off on June 18, 1983. The historical moment is noted in communication just after liftoff.
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