HOW TO Build a String Thing

String Thing 22 Building String Thing: Laser Pointers and Vibrating Rods: What’s great about the String Thing is two-fold: first, it’s an ingenious design, and second, Ben rigorously documents how he did it, including some false starts. The steel rods are a “stroke” of genius: using magnets, the rods “vibrate” as you play them for physical feedback, while a sophisticated combination of laser pointers and webcams calculate your finger position. [via] Link.

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