Bike wheel stores pedal power to provide energy boosts for tough inclines

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We've already seen battery-powered attachments that provide electric power to regular pushbikes thanks to innovations such as the UK's Rubbee. Now researchers at MIT have created the Copenhagen Wheel, which fits onto any bike and captures energy from the rider's cycling, offering a power boost when they need it for harder inclines later on. The wheel features a red hub, which contains the technology that converts the energy expelled when riders pedal and stores it in a removable lithium battery. The hub also includes sensors that detect when the bike is traveling uphill and automatically offers some help in the…

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