MSNBC's Alan Boyle (Cosmic Log) talks with Sean Carroll, theoretical physicist at Caltech. Sean studies the theoretical aspects of cosmology, field theory, and gravitation, learning about fundamental physics by studying the structure and evolution of the universe.
Sean and Alan reality check some of the stranger scientific concepts bubbling up in popular culture, ranging from time travel to extra dimensions and faster-than-light particles. Produced in cooperation with MICA
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