The Prestige (major spoilers to follow) has the same idea. A stage magician invents a trick that appears to instantly teleport him across the room and nobody kn

The Prestige (major spoilers to follow) has the same idea. A stage magician invents a trick that appears to instantly teleport him across the room and nobody knows how he does it. The "trick" is that a duplicate is created and the original is dropped into a locked container of water to drown.