Ideas worth spreading

Chemical scum that dream of distant quasars

2,722,810 views | David Deutsch • TEDGlobal 2005

Legendary scientist David Deutsch puts theoretical physics on the back burner to discuss a more urgent matter: the survival of our species. The first step toward solving global warming, he says, is to admit that we have a problem.

Legendary scientist David Deutsch puts theoretical physics on the back burner to discuss a more urgent matter: the survival of our species. The first step toward solving global warming, he says, is to admit that we have a problem.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.

About the speaker

David Deutsch

Physicist, author

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A pioneer in quantum computation and quantum information theory, David Deutsch now seeks to define the boundaries between the possible and the impossible.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.