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Science Fiction & Fantasy

CLARKESWORLD

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October 2017 ISSUE

An Optimist and Pessimist Tackle the Fermi Paradox

The universe around us echoes with the Great Silence. It seems oppressive to some, foreboding to others. We have not picked up any alien transmissions; seen any indications of interstellar travel or construction; met any other civilization. Yet even with propulsion systems based on known technological principles, it should be possible to colonize the whole [...]