Concepts and Ideas Type 0/1/2/3 Civilizations by Dr Michio Kaku (Theoritical Physicist) Rajesh K December 12, 2010December 12, 2010 It seems Dr. Michio Kaku is a Theoretical Physicist. He has given a very interesting explanation on Type 0/1/2/3 Civilizations in this YouTube Video. Do see it. I have given...