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3d Water Tetris: What Will They Think of Next?

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Written by Paul Strauss | July 2, 2010

Everything’s in 3D these days, so why shouldn’t Tetris get the X/Y/Z treatment too?


Researchers Peter Barnum Srinivasa Narasimhan, and Takeo Kanade at Carnegie Mellon University have come up with a way to project 3-dimensional images onto multiple curtains of water to form a volumetric display. The system uses layers of water dripped from tiny needles and slightly offset from each other. A single projector rapidly alternates images between the different water curtains to form a single image. Since there are four separate layers hanging in space, you can actually view the 3D effect without glasses. You can see it in action in the video below, but you’ll have to take their word for it that it actually looks 3D.

[New Scientist via VizWorld via 3D-Display Info]