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This Ain't Your Grandma's SETI - Scientific American (blog)
URL: https://blogs.scientificamerican.com/guest-blog/this-aint-your-grandmas-seti/
Submitted: Fri Feb 10 2017
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CT: UFOSeek News 2015: This Ain't Your Grandma's SETI - Scientific American (blog)
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SETI, or the Search for Extraterrestrial Intelligence, is typically thought of as an attempt to detect signals—usually radio or optical waves—from alien civilizations. But in 1974, Frank Drake used the giant Arecibo radio telescope, in Puerto Rico ...