Interesting video of Dr. Michio Kaku explaining extraterrestrial civilizations and humanity's future into the transition to a type 1 civilization.
Dr. Michio Kaku: 3 types of Extraterrestrial Civilizations
Friday, August 28, 2009 12:35 AM
Filed Under: extraterrestrial, future, Michio Kaku, physics, planets, space |0 comments
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