Stephen Petranek:
סטפן פטרנק סופר אחורה לאבדון

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

איך העולם יגמר? סטפן פטרנק מניח לפנינו את האתגרים שעומדים לפנינו בדרך לשמירה על המין האנושי. האם נמחה על ידי אסטרואיד? קריסה אקולוגית? מה עם מאיץ חלקיקים שמשתולל?

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.