Stephen Petranek: 10 ways the world could end
Backhttp://www.ted.com - Stephen Petranek reveals the question that occupies scientists at the end of the day (and the beginning of happy hour): How might the world end? He lays out the challenges that face us in the drive to preserve the human race. Will we be wiped out by an asteroid? Eco-collapse? How about a particle accelerator gone wild?
Category: People
Uploaded: October 11th, 2007 @ 1:34 pm
Author: TEDtalksDirector
Length: 29:54
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Views: 37,472
Tags: end of ted tedtalks the world
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