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Dance Charge – Charge your phone whilst you dance

Orange have announced the release of an eco friendly gadget prototype, a charging device that is powered by movement or “dance energy”. The concept uses a collection of magnets and coils to generate electricity from movement; the same principle used by kinetic watches. The Dance Charge has been designed with summer festival revellers in mind, allowing the device to charge from movement such as dancing.

As the Dance Charge device moves, so do the magnets inside. If you remember from your physics classes, a magnet moving within a coil induces a current in the wires of the coil. This electrical current is then used to charge a battery or capacitor component. If you’re feeling brave, take a look at Faraday’s law of induction and Lorentz force for a more scientific explanation.

The device is packaged in a neat black neoprene strap which fits over the upper arm. It looks very similar to the arm bands designed to hold mp3 players for gym users and joggers. It only weighs 180g, so it’s not going to feel heavy or bulky on your arm.

Source: Pocket Lint

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