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Rising fuel costs, food shortages, a growing population, and lack of access to medical and educational resources present some of the 21st century's greatest global challenges.

iDW collects and features innovative solutions to these problems from all over the developed and underdeveloped world, and invites active feedback from its readers.

If you would like to publicize your own appropriate technology solutions, or have any suggestions for future features please contact iDW at: idw.news@gmail.com

Thursday, September 10, 2009

Nepalese Student invents $30 Solar panel using Human Hair

A new type of solar panel using human hair could provide the world with cheap, green electricity, believes its teenage inventor.

Milan Karki, 18, who comes from a village in rural Nepal, believes he has found the solution to the developing world's energy needs.

The young inventor says hair is easy to use as a conductor in solar panels and could revolutionise renewable energy.
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