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World's first self-powering gym uses energy from your WORKOUT to keep the lights on (so don't take a break!) | Daily Mail Online
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World's first self-powering gym uses energy from your WORKOUT to keep the lights on (so don't take a break!) | Daily Mail Online
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Why don't we put generators on all exercise equipment and hook the gym to the electrical grid? We could pay people for their effort. - Quora
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