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GOWTHAM REDDY

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Harvesting electricity from gravity? Is it possible ?

Since I was kid I watched the world around me going through energy crisis. I was wondering if there was a possibility of producing electricity using "GRAVITY" of planet earth.
I was thinking maybe we could use earths magnetic field, and then placing a conductor and oscillating it. when the oscillations are happening there will be potential difference between two ends and E.M.F is induced.
Are there any other ways of using "GRAVITY" to produce electricity ?
If you have any explanations, Ideas or theoretical possibilities please comment below.

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Topics: alternative energies applying science creativity innovation physics techno
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    Gail . 50+

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    Nov 28 2012: I watched a video recently about how to make electricity using a bicycle. The video then challenged students to create alternative ways to create that energy. One of the things suggested was to use a 2 ton auto jack to life about 500 lbs of weight, and a pulley (plus) system that let the energy be released slowly. The narrator suggest that this will provide about 5 hours of energy before the weight needs to be lifted again - which is easy with a jack.

    Of course, water is the easiest way to use gravity to create energy. That's why we have dams

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