Batteries not included may be the way of the future. Engineers from Northwestern University and Delft University of Technology have unveiled a platform that lets makers, hobbyists, and novice programmers build their own battery-free electronic devices that run with intermittent, harvested energy. The BFree system consists of power harvesting hardware, the BFree Shield, and a power-failure-resistant version of Python, one of the most widely used programming languages. “Now everyone can build and program smart, sustainable devices,” says Northwestern's Josiah Hester. “This makes the future vision of ubiquitous computing more sustainable, useful, and environmentally responsible.” 

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