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Zibodiz writes "The Sensors and Devices group at Microsoft Research has developed a new system called HoloDesk that allows users to pick up, move and even shoot virtual 3D objects. It's about the size of a filing cabinet and is made up of an overhead screen that projects a 2D image through a half-silvered beam splitter into a viewing area beneath. A Kinect camera keeps tabs on a user's hand position within the 3D virtual environment, a webcam tracks the user's face to help with placement accuracy, and custom algorithms bring everything together in (something very close to) real time."