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Stephen Petranek:
史蒂芬·潘特奈克的世界末日倒计时

TED2002 · 29:42 · Filmed Feb 2002
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世界将如何毁灭?史蒂芬·潘特奈克为我们呈现保卫人类征程中面临的各类危机。我们将灭亡于小行星撞击?生态系统的崩溃?还是一台出错的粒子撞击机?

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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