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Scoop.it!
"Wind turbines produce 4% of the planet’s energy, but they only work well when the wind is blowing just right. Now, by drawing inspiration from the flexible wings of insects, scientists have found a way to make wind turbine blades 35% more efficient at producing energy. If commercialized, the advance could make this green technology a more viable alternative to fossil fuels in the coming years." 
Marcelo Errera's curator insight,
February 20, 2017 7:21 PM
Another interesting example of design evolution. Those blades provide a good compromise between drag and net torque. It is a finite-size system which design is evolving to facilitate the flow of energy from the wind to a rotating axis.
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