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They also refer to this on their website at http://www.zebraimaging.com/html/lighting___display.html

Zebra Imaging has developed a holographic display that is capable of interactively generating natural true-3D images

So... no tech demos in existence? You'd think they'd be proud to show it off, especially as a video would reveal extremely little-to-nothing that competitors could steal.

Shenanigans?

Given the government is funding the display they may not be able to reveal any further details.

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