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physics.pop-ph2021
The Search for Deliberate Interstellar SETI Signals May Be Futile
John Gertz
For more than 60 years, the predominant SETI search paradigm has entailed the observation of stars in an effort to detect alien electromagnetic signals that deliberately target Ear…
physics.pop-ph2021★ 1 cited
The Drake Equation at 60: Reconsidered and Abandoned
John Gertz
Each of the individual factors of the Drake Equation is considered. Each in turn is either abandoned or redefined and finally reduced to a single new factor, fd, the fraction of te…