David Copperfield’s legendary "Flying" illusion, created by John Gaughan, is performed using an incredibly sophisticated system of fine wires. According to U.S. Patent #5,354,238, the performer is supported by two fan-shaped arrays of high-tension wires that are only about 0.25 millimeters thick. These wires are virtually invisible to the audience, especially when combined with strategic stage lighting and dark backgrounds. The wires connect to a harness worn under Copperfield's clothing near his center of gravity (the hips), allowing for graceful, multi-axis movement. A computer-controlled rig above the stage moves the wires to create the appearance of fluid, unburdened flight. To "prove" there are no wires, Copperfield passes through spinning hoops; however, the hoops are timed to move between the fanned-out wire arrays without touching them. This remains one of the most meticulously engineered illusions in magic history.