SidebySide system lets separately-projected images interact with one another

When you were a kid, perhaps you and your friends played with flashlights, chasing each other’s light spots across the wall – if you were born within the past 20 years, just substitute the term “laser pointers” for “flashlights.” In either case ... wouldn’t it have been neat if those spots of light came to life when they met, and fought with each other? That’s the type of thing that’s now possible with the prototype SidebySide system, developed by Disney Research, Pittsburgh, and Carnegie Mellon University. It enables animated images from two separate handheld projectors to interact with each other on the any surface.

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