Samuel Feinburg asks us to consider the threat of a catastrophic electrical blackout and what we can do to protect ourselves. This talk was filmed at TEDxBaylorSchool. 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 http://go.ted.com/tedxshorts.