Ask someone to hold the pendulum, and tell them to ask a question. Tell them that the pendulum will swing in a straight line if the answer is "Yes" and move in a circle if the answer is "No" Without you doing anything,the pendulum will begin to swing! Even if the person holding it tries to every question. Nobody is capable of explaning how this trick works. Some say that the thoughts of the person holding the pendulum make it love. In other words, this may be real magic!