The Search for Extraterrestrial Intelligence (SETI) began decades ago as an effort to pick up radio signals from distant civilizations. The effort was centered at the Green Bank Observatory in West Virginia and was by today's standards quite rudimentary. A much broader search for distant radio signals remains very much at the core of SETI …
Technosignatures and the Search for Extraterrestrial Intelligence
The word "SETI" pretty much brings to mind the search for radio signals come from distant planets, the movie "Contact," Jill Tarter, Frank Drake and perhaps the SETI Institute, where the effort lives and breathes. But there was a time when SETI -- the Search for Extraterrestrial Intelligence -- was a significantly broader concept, that …
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Many Worlds 