Better than a hologram: Research produces 3-D images floating in thin air

Hardware - Imaging & Graphics

In the original Star Wars film, R2D2 projects an image of Princess Leia in distress. The iconic scene includes the line still famous 40 years later: Help me Obi Wan Kenobi, youre my only hope. Electrical and computer engineering professor and holography experts have long had a goal to create the same type of 3-D image projection. Now, researchers detail a newly developed method to do so.

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