"The HoloTile Floor: Disney Imagineer invents omnidirectional treadmill surface."
To enable walking in virtual reality. It looks from the video like the way it works is a large number of small rollers that can pivot. The surface must be curved to move the person back towards the center gravitationally. But you can also have two people on it, so, who knows how it handles that.
The HoloTile Floor: Disney Imagineer invents omnidirectional treadmill surface
