Back to the Future: Wind Power

October 28th, 2009

Sometimes a good innovation comes from an old idea—such as windmills. Invented more than 1,000 years ago in Persia, their whirling sails and spinning blades harnessed wind power to draw water and grind grain from China to Holland to farms across America. Replaced by electric motors powered by high-voltage electric grids, the ancient windmill is […]


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