What's really depressing is if you assume the number of communicating civilizati... | Hacker News

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Adrock on Jan 19, 2011 | parent | context | favorite | on: Wolfram Alpha's take on the Drake Equation

What's really depressing is if you assume the number of communicating civilizations is 1 and make average lifetime of communicating civilizations be the free variable.

khafra on Jan 19, 2011 [–]

You might be interested in The Great Filter, although it probably won't make you feel any better: http://hanson.gmu.edu/greatfilter.html

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