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Don't Fear the Sweeper: Audience Scanning in the US

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Apr. 28, 2010 — You're standing in a field with a thousand or more of your close friends, the ground beneath your feet quaking in time with the bass emanating from a thunderous sound system. A cone of light appears, a solid green sweep generated by a nearby laser. It expands rapidly and envelops you and your friends in its preternatural glow. The green gives way to a wash of other colors; the cone shrinks to a thin plane, slices of fog dancing through it. From somewhere above, a puzzle of light descends to meet you. Individual beams search you, play around you, involve you. Laser light displays that...Read full article

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