How does the "mystical" mind-reading computer program work? Spoiler, it can't read minds. Dr Tim Muller shows us a trick you can play on people. Tim's Code: https://pastebin.com/YheE3kJQ https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com/