Stephen Petranek:
Stephen Petranek ed il conto alla rovescia verso l'Armageddon

TED2002 · 29:42 · Filmed Feb 2002
Watch next...
Steven Pinker: The surprising decline in violence

Share this idea

Total views
TED Talks are free
thanks to support from

Come finirà il mondo? Stephen Petranek ci espone le sfide da affrontare nella corsa per la preservazione della razza umana. Verremo cancellati da un asteroide? Un collasso ecologico? E se un accelleratore di particelle impazzisse?

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.



Enthusiastically agree? Respectfully beg to differ? Have your say here.

2000 characters remaining
Don't have an account? Sign up now — it's fast and free.
Sort comments by
There are currently no comments for this talk.