Stephen Petranek:
史蒂芬•彼車奈克(Stephen Petranek)的世界末日倒計時

TED2002 · 29:42 · Filmed Feb 2002
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世界末日將如何降臨?史蒂芬•彼車奈克(Stephen Petranek)道出了『人類保衛戰』中我們所面臨的挑戰。我們會被一顆小行星夷平,或葬身於崩潰的生態,還是降服於一台失去控制的粒子對撞機?

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
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