Sean spoke at the first annual LogiCal-LA conference in January of 2017. We hope to see you at the next LogiCal-LA! See logicalla.com for more info. If you enjoy this video please make a small contribution at backyardskeptics.com. Sean Michael Carroll is a cosmologist and physics professor specializing in dark energy and general relativity. He is a research professor in the Department of Physics at the California Institute of Technology.
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