Lecture 38: The First Three Minutes
What was the Universe like from the earliest phases immediately after\nthe Big Bang to the present day? This lecture reviews the physics of\nmatter, and follows the evolution of the expanding Universe from the\nfirst instants after the Big Bang, when all 4 forces of nature were\nunified in a single grand-unified superforce until the emergence of the\nvisible Universe we see around us today. Recorded 2006 March 1 in 1008\nEvans Laboratory on the Columbus campus of The Ohio State University.