Comment on Neil deGrasse Tyson AMAparentComments−dchest14yHere's his lecture on this, "The Perimeter of Ignorance": http://www.youtube.com/watch?v=S1HXuiIBF3I−malkia14yThanks again! I somehow remember different setting, or just different link, or video cam, but it's the same lecture that I watched months ago.
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Here's his lecture on this, "The Perimeter of Ignorance": http://www.youtube.com/watch?v=S1HXuiIBF3I
Thanks again! I somehow remember different setting, or just different link, or video cam, but it's the same lecture that I watched months ago.