5 Reasons ET Would Already Know We're Here - Forbes
http://www.forbes.com/sites/brucedorminey/2013/02/28/5-reasons-e-t-would-already-know-were-here/It's a conundrum that has plagued SETI (Search for Extraterrestrial Intelligence) researchers since their first radio searches began more than a half century ago. But the lack of verifiable SETI signals should not be held up as evidence that they ...
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