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Timo Arnall, who, together with Jack Schultze brought us a touchless Rube Goldberg machine based on RFID back in 2009, has teamed up with Jorn Knutsen and Einar Sneve Martinussen to produce Immaterials: Light Painting Wi-Fi, which is a project that visualizes wireless network signal strength in city areas using a custom-built 4-meter measuring rod equipped with LEDs and conventional light painting techniques. [via Core77]

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I write for MAKE, serve as Technical Editor for MAKE magazine, and develop original DIY content for Make: Projects.

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