> Every night in Las Vegas, I make a children’s ball come to life like a trained dog. My method—the thing that fools your eye—is to puppeteer the ball with a th

> Every night in Las Vegas, I make a children’s ball come to life like a trained dog. My method—the thing that fools your eye—is to puppeteer the ball with a thread too fine to be seen from the audience. But during the routine, the ball jumps through a wooden hoop several times, and that seems to rule out the possibility of a thread The trick in question: https://www.youtube.com/watch?v=dhnATlPdG6A https://www.youtube.com/watch?v=dhnATlPdG6A For this trick, Penn tells you at the outset that it's done with thread. Which naturally adds to your belief that it isn't done with thread, especially when combined with the hoop trick. After reading what Teller wrote, part of me is still suspicious that he's lying even there.