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1 .This is Scientific American 60-Second Science. I'm Cynthia Graber.This'll just take a minute.
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2 .The use of wind power continues to soar around the world.
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3 .In 2008 the U.S.actually surpassed Germany as the world's top producer of energy from wind.
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4 .It might seem that there aren't many improvements to make to what's essentially a passive technology.
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5 .But researchers at the California Institute of Technology say the way fish school will help create more efficient designs for wind farms.
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6 .They presented their research at a meeting of the American Physical Society's Division of Fluid Dynamics.
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7 .When fish swim, they leave little swirling vortices in their wake.
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8 .By swimming together in a school, they can transfer energy to one another through these vortices.
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9 .Wind behaves much as a liquid does.
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10 .So the engineers have taken wind turbines that spin on vertical axes,
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11 .these are different from the traditional horizontal wind turbine mostly in use today.
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12 .On a computer, they've positioned the turbines close enough together that as one spins, it then directs the wind to its neighbor.
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13 .According to the computer model, this design could increase wind farm efficiency a hundredfold.
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14 .The next step for the researchers is to do a field test, trying out these fish dynamics on dry land.
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15 .Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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