Stephen Petranek:
스테판 페트라넥이 아마겟돈까지를 셉니다.

TED2002 · 29:42 · Filmed Feb 2002
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어떻게 이 세상이 종말하게 될까요? 스테판 페트라넥이 인간 세상을 지키기 위해 우리가 직면한 도전에 대해 이야기 합니다. 우리는 소행성, 생태계 붕괴에 의해 사라지게 될까요?

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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