Thane Heins is nervous and hopeful. It's Jan. 24, a Thursday afternoon, and in four days the Ottawa-area native will travel to Boston where he'll demonstrate an invention that appears – though he doesn't dare say it – to operate as a perpetual motion machine.

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The National Institute of Standards and Technology, in conjunction with the University of Maryland's Joint Quantum Institute, created a short-lived "proof of concept" of perpetual motion.

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