Power All Your Own Gadgets

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Use walking and leg work outs for a benefit besides just getting a ripped physique

Ngalande’s Green Erg generator is a wheeled device, attached by a simple harness that’s designed to trundle along behind a person who’s walking. As the user walks along, the rubber-coated rollers keep in good contact with the ground–even on rough, bumpy terrain–and spin a dynamo that generates power. Continue reading… “Power All Your Own Gadgets”

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