Robot swarms turn music into moving light paintings

A system developed by researchers at the University of Waterloo lets people collaborate with groups of robots to create works of art inspired by music. The new technology features multiple wheeled robots about the size of soccer balls that trail colored light as they move within a fixed area on the floor in response to key features of music including tempo and chord progression. A camera records the coordinated light trails as they snake within that area, which serves as the canvas for the creation of a “painting,” or visual representation of the emotional content of a particular piece of music.

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