Researchers developed a 3D projection system that doesn't require any eyewear.

A team of researchers from the Camera Culture group at the MIT Media Lab have been working on a multiperspective, glasses-free 3D video screen for the last three years. They created the glasses-free 3D video screen as a cheaper alternative to holographic video.

The team has recently designed a projector that uses the same technology as the 3D screen. The glasses-free multiperspective system enables viewers to see a different perspective of the objects on the screen depending on their position or the user's point of view.

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