Cheap Glasses-free 3D Research Tips LCD Sandwich (video) reports that MIT researchers have cooked up a new glasses-free 3D system that supports multiple viewers watching from different perspectives, and relies on existing cheap technologies rather than expensive holograms. The Media Lab Camera Culture Group stacked multiple LCD panels on top of each other, each running at a high refresh rate, and which show slightly different perspectives of the same image or video frame, which the human eye adds up to a 3D picture.


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