Bestselling author and physicist Brian Greene tours the strange world of string theory in "The Elegant Universe," a three-part Peabody Award-winning miniseries from https://www.youtube.com/channel/UCjHz5SVHeMT0AViCYZvsGDA. Watch the Full Episode of Part 1: Einstein's Dream on YouTube: https://www.youtube.com/watch?v=5YQ9rrZnHL8 Made possible by viewers like you. Support your local PBS station: https://www.pbs.org/donate Enjoy full episodes of your favorite PBS shows anytime, anywhere with the free PBS App: https://to.pbs.org/2QbtzhR