Time Travel: (Im)Possible?

Some scientists take time travel seriously. Should you? What does time travel reveal about the nature of space and time and the laws of physics under extreme conditions? Featuring interviews with Michio Kaku, J. Gott, Kip Thorne, Fred Wolf, and Seth Lloyd.
Closer to Truth presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.