Tag: Rio scale
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Scientists come up with revised ‘Rio scale’ to rate claims of extraterrestrial contact
SETI pioneer Jill Tarter pays a visit to the Allen Telescope Array in California, one of the prime sites for the search for extraterrestrial intelligence. (Credit: SETI Institute) For almost 60 years, efforts to pick up signs of extraterrestrial civilizations have yielded a big fat zero, but there have been plenty of false alarms to…