Why most visual effects suck--but some don't

Wren Weichman shares the secrets that make visual effects sink or swim in the movies we watch. This talk was filmed at TEDxPenn. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit go.ted.com/tedxshorts. Follow TEDx on Twitter: