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Laser Harp

Play strings of light, using laser pointers, rangefinders, photocells, and Arduino.

By Stephen Hobley

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Photograph by Stephen Hobley

A multi-string laser harp is as cool to play as it is to build.

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Photograph by Jacques De Selliers

One of my most vivid concert memories is seeing Jean Michel Jarre perform in 1986 at the city of Houston’s 150th birthday celebration. He played music by breaking laser beams with his hands. The beams came out ...

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