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Re:Hands-On with Microsoft's New Holographic Goggles by kingmanaz on Wednesday January 21, 2015 @05:58PM (#8926374)
>MS could find the middle ground between lush 3D VR-like environments and the real world.

Back around 2000 a Slashdot article reported an attempt to create a human-sized hamster ball constructed of a semi-opaque projection-friendly surface. The ball would sit on some sort of roller mount. Five projection screens surrounding the ball would project a virtual environment over the "port", "starboard", "fore", "aft", and "north" surfaces. A human occupant would enter the ball, and, based on his movement detected through the roller base, be presented with a continually updating holodeck-like virtual environment.

Perhaps something like this is still in development somewhere.

Re:Hands-On with Microsoft's New Holographic Goggles by bglazer on Wednesday January 21, 2015 @09:11PM (#8927114)
Search around for omnidirectional treadmills. There are quite a few different models in development.