If the universe is teeming with aliens ... where is everybody? : fifty solutions to the Fermi paradox and the problem of extraterrestrial life /

Publisher's description: During a lunchtime conversation at Los Alamos more than 50 years ago, four world-class scientists agreed, given the size and age of the Universe, that advanced extraterrestrial civilizations simply had to exist. The sheer numbers demanded it. But one of the four, the re...

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