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サマリー
あらすじ・解説
In 1996, Prof. Robin Hanson of the Future of Humanity Insititute (FHI) at the University Oxford proposed the "Great Filter" argument, something that is still central to the Fermi Paradox and the Search for Extraterrestrial Intelligence (SETI). According to Hanson's theory, our failure to find any extraterrestrial civilizations in the observable universe implies that either life is not common, or that there is a "Great Filter" that prevents life from evolving and reaching an advanced, spacefaring stage.