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Jump Rope Generates Useable Electricity From Exercise

Smartphone Charger Uses Wrist Movements To Power Up

Movement-Powered Digital Watch Has Its Own Mini Generator [Pics]

Portable Pedal Powered Battery Powers Devices On & Off The Bike

Springwise: Brazilian Inmates Cycle To Shorten Their Prison Sentences

Rolling Suitcase Uses Kinetic Energy To Charge Gadgets [Headlines]

Charge Your Smartphone While You Walk

Sculptural Amplifier Is Pendulum Powered [Video]

Shoe Charger Uses Kinetic Energy To Power Cellphones

Energysport Uses Energy From Your Bike To Charge Your Gadgets

The World’s First Mechanical Cell Phone

Nokia Developing Self-Charging Phone

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