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Demonstrated at Siggraph "The display consists of a high-speed video projector, a spinning mirror covered by a holographic diffuser, and FPGA circuitry to decode specially rendered DVI video signals. The display uses a standard programmable graphics card to render over 5,000 images per second of interactive 3D graphics, projecting 360-degree views with 1.25 degree separation up to 20 updates per second". Comments  playlists with this video the Machine by Eklek
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Real-time, Interactive 3D Holograms Are Now A Reality. Related Videos
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Help me, Obi-Wan Kenobi...you're my only hope. *bzzz*
it's awesome, but still so a new technology
Pointless quibbles aside, this is pretty cool tech. I was wondering how the hell you can get a "standard" graphics card to render at 5,000 fps, until I noticed that the bit depth was 1. If I just turn my settings down to 2 colours, I need never buy another graphics card again!
so, at least in that frame, bit depth is at least 2 (I don't think there were more than 4 colors)