***Times for the show are always 5PM PST/8PM EST***

This week we have Dr. Sean Carroll joining us live!

Dr. Carroll is a theoretical physicist at Caltech concentrating on the theoretical aspects of cosmology, field theory, and gravitation. Theoretical physicist Kip Thorne said of Dr. Carroll's new book, From Eternity to Here, "For anyone who ever wondered about the nature of time and how it influences our universe, this book is a must read. It is beautifully written, lucid, and deep." Mathematician physicist Sir Roger Penrose was moved to say that Dr. Carroll's book "provides a wonderfully accessible account of some of the most profound mysteries of modern physics." In addition to his writing and research Dr. Carroll blogs at Cosmic Variance.

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