Why is mathematics so spectacularly successful at describing how the universe works? In this talk MIT physics professor Max Tegmark proposes a radical answer: our physical world is not only described by mathematics, but that it is mathematics or, more specifically, it’s a mathematical structure. A natural question then, of course, is what does this tell us about the nature of our universe. To find out, watch this high quality talk (and the Q&A session, which can be found below). As always, for more high quality videos, visit the links below.