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Stephen Petranek:
Stephen Petranek faz contagem regressiva para o Armagedon

TED2002 · 29:42 · Filmed Feb 2002
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Como o mundo poderia terminar? Stephen Petranek coloca os desafios que enfrentamos no desejo de preservar a raça humana. Seremos varridos por um asteroide? Colapso ecológico? E se um acelerador de partículas enlouquecer?

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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