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IRL (In Real Life) => General Discussion => Topic started by: besilarius on April 04, 2016, 06:33:11 AM

Title: The Kardashev Scale
Post by: besilarius on April 04, 2016, 06:33:11 AM

http://futurism.com/images/kardashev-scale-the-kinds-of-alien-civilizations-in-our-universe/?src=home

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