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Glasses-free 3D projector offers a cheap alternative to holograms

19
May
2014

Holograms are undoubtedly spiffy-looking, but theyre not exactly cheap; even a basic holographic projector made from off-the-shelf parts can cost thousands of dollars. MIT researchers may have a budget-friendly alternative in the future, though. Theyve built a glasses-free 3D projector that uses two liquid crystal modulators to angle outgoing light and present different images (eight in the prototype) depending on your point of view.

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