Man is an animal suspended in webs of significance that he himself has spun...

Wednesday, November 23, 2011

Ted Talk: Phil Plait Talks about Asteroids

This is so good I just had to post it.  Phil Plait gives a very engaging and sometimes quite funny talk about asteroids.  Some interesting (and apparently plausible) methods for defending the Earth from the Big Rocks.  Ion drives?  Wow.....



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