Check out the full lecture on the Royal Institution YouTube channel. https://www.youtube.com/watch?v=_q4DrUHKC0Q Ri Christmas Lectures thanks to: The BBC - https://www.bbc.co.uk/programmes/m000crbc The Royal Institution - https://www.rigb.org/christmas-lectures/2019-secrets-and-lies Windfall Films - http://www.windfallfilms.com/show/1054/royal-institution-christmas-lectures.aspx Directed by David Coleman, produced by Laura Voak. Bonus footage filmed and edited by Matt Parker CORRECTIONS - Nothing yet. Let me know if you spot anything! (Although it is too late to change the TV show.) - Update: FINE, the title is now “Parker Machine”. Thanks to my Patreon supports who make what I do possible. Support my channel and I can make more videos: https://www.patreon.com/standupmaths MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/ US book: https://www.penguinrandomhouse.com/books/610964/humble-pi-by-matt-parker/ UK book: https://mathsgear.co.uk/products/5b9fa76f230ffa140094dc43 Nerdy maths toys: http://mathsgear.co.uk/