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August 21, 2017 04:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/RnwEN1XyPco/how-the-voyager-golden-record-was-made
How the Voyager Golden Record Was Made
Fascinating article on The New Yorker about how the Voyager Golden Record was made: The Voyagers' scientific mission will end when their plutonium-238 thermoelectric power generators fail, around the year 2030. After that, the two craft will drift endlessly among the stars of our galaxy -- unless someone or something encounters them someday. With this prospect in mind, each was fitted with a copy of what has come to be called the Golden Record. Etched in copper, plated with gold, and sealed in aluminum cases, the records are expected to remain intelligible for more than a billion years, making them the longest-lasting objects ever crafted by human hands. We don't know enough about extraterrestrial life, if it even exists, to state with any confidence whether the records will ever be found. They were a gift, proffered without hope of return. I became friends with Carl Sagan, the astronomer who oversaw the creation of the Golden Record, in 1972. He'd sometimes stop by my place in New York, a high-ceilinged West Side apartment perched up amid Norway maples like a tree house, and we'd listen to records. Lots of great music was being released in those days, and there was something fascinating about LP technology itself. A diamond danced along the undulations of a groove, vibrating an attached crystal, which generated a flow of electricity that was amplified and sent to the speakers. At no point in this process was it possible to say with assurance just how much information the record contained or how accurately a given stereo had translated it. The open-endedness of the medium seemed akin to the process of scientific exploration: there was always more to learn.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/RnwEN1XyPco/how-the-voyager-golden-record-was-made
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