One of the problems with virtual reality has always been that you had to either confine yourself to a joystick or strap into some crazy Lawnmower Man-style harness. Hardly natural. This April, however, a team based at the Max Planck Institute for Biological Cybernetics in Tübingen, Germany, unveiled the CyberWalk, an omnidirectional treadmill designed to serve as a VR-capable movement platform.
