Was mathematics invented or discovered? Is everything mathematically predetermined? Is there no such thing as free will? <br />Subscribe for more science talks! http://bit.ly/RiSubscRibe <br /> <br />Following his talk at the Ri in January 2014, Max Tegmark invited questions from the audience. This Q&A delves into the deep conundrums of consciousness, free will and physicality, exploring the idea that our universe is an entirely mathematical structure. <br />Why is mathematics so spectacularly successful at describing the cosmos? <br /> <br />In his Ri talk from January 30 2014, MIT physics professor Max Tegmark proposed a radical idea: that our physical world is not only described by mathematics, but that it is mathematics. He showed how this theory may provide answers to the nature of reality itself. <br /> <br />This event was filmed at the Royal Institution on January 30 2014. <br /> <br />Watch more science videos on the Ri Channel http://richannel.org <br /> <br />The Ri is on Twitter: http://twitter.com/ri_science <br />and Facebook: http://www.facebook.com/royalinstitution <br />Subscribe for the latest science videos: http://richannel.org/newsletter