See full description for all links to videos and papers (and other stuff). This film features Professor Persi Diaconis from Stanford University. Main video: https://www.youtube.com/watch?v=AxJubaijQbI Extras 1/3 (this video): https://www.youtube.com/watch?v=1jfm42Qd7Qw Extras 2/3: https://www.youtube.com/watch?v=c_Hunaf0tWw Extras 3/3: https://www.youtube.com/watch?v=RIGJH12vVCY Persi Videos: http://bit.ly/Persi_Videos Cards and Shuffling Videos: http://bit.ly/Cards_Shuffling PAPERS Trailing the Dovetail to its Lair (7 shuffles)): http://bit.ly/1xU6uPI Shuffling Cards and Stopping Times: http://bit.ly/1FR0ca1 Overhand Shuffles: http://bit.ly/1LNBSuU BOOK Magical Mathematics by Persi Diaconis and On Graham: http://bit.ly/MagicalMath Coin Tossing Video: https://www.youtube.com/watch?v=AYnJv68T3MM NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos by Brady Haran Support us on Patreon: http://www.patreon.com/numberphile Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ A run-down of Brady's channels: http://www.bradyharan.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9