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E Pluribus Unum - Out of One, Many HP Labs Pluribus - Out of Many projectors, One super-screen Super-bright, large-scale, and very high-resolution digital projectors are indispensable tools of modern communication. They help CEOs wow audiences of analysts. They make rock concerts intimate. They turn computer gaming into a spectator sport. And they can make digital cinema an instant reality. They are also very expensive. Prices for high-end projectors run into tens or even hundreds of thousands of dollars, which keeps these devices from being widely used. HP Labs' Nelson Chang and Niranjan Damera-Venkata had a hunch they could make a much cheaper projection system by combining the outputs of several smaller projectors to create a single, high-quality image. They work in the Multimedia Interaction and Understanding Lab in Palo Alto on a project code-named Pluribus. Seeing Pluribus in action, it's easy to be overwhelmed by the huge, crystal-clear picture it creates. Hook a 16-foot screen up to a game of Madd