Lawrence Krauss gives a talk on our current picture of the universe, how it will end, and how it could have come from nothing. Krauss is the author of many bestselling books on Physics and Cosmology, including "The Physics of Star Trek."
Books by Lawrence Krauss:
http://www.amazon.com/Lawrence-M.-Krauss/e/B000AP7AZS/ref=ntt_dp_epwbk_0
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