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Jack Schulze and Timo Arnall made this video of an RFID-based, touch-free Rube Goldberg machine. While I don’t think it would win a middle school Rube Goldberg competition (something about not using enough different kinds of energy transfer), it’s a neat idea, and an excellent use for RFID tags. And they slipped an Arduino in at the end. [via boingboing]

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