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Stephen Petranek:
Stephen Petranek compte à rebours vers l'Armageddon

TED2002 · 29:42 · Filmed Feb 2002
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Comment le monde pourrait-il finir ? Stephen Petranek explique les défis qui nous attendent afin de sauver la race humaine. Serons-nous exterminés par un astéroïde ? Par une catastrophe écologique ? Et qu'en est-il d'un collisionneur de particules qui tournerait mal ?

Technology forecaster
Stephen Petranek untangles emerging technologies to predict which will become fixtures of our future lives — and which could potentially save them. Full bio
This talk was presented at an official TED conference, and was featured by our editors on the home page.

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