Free access Closer to Truth’s library of 5,000 videos: http://bit.ly/2UufzC7 Mathematics describes the real world of atoms and acorns, stars and stairs, with remarkable precision. So is mathematics invented by humans just like chisels and hammers and pieces of music? Or is mathematics discovered—always out there, somewhere, like mysterious islands waiting to be found? Whatever mathematics is will help define reality itself. Watch more interviews with Max Tegmark: http://bit.ly/2U4lCga Watch more interviews on mathematics: http://bit.ly/2mBwNkm Join our Facebook community: https://www.facebook.com/CloserToTruthTV Follow us on Twitter: https://twitter.com/CloserToTruth 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.