Some people enjoy magic without asking, others want desperately to know how it's done.
Call me a sicko , but I have made investigating how the big tricks work a very successful hobby. Magicians are not amused . Please read the FAQ before posting. There is now a site in english language that exposes several illusions and here is another one and a third one . Also cool is an article by Edgar Allan Poe exposing Maelzel's Chess-Player .