Dean Kamen?s Inflatable Wind Turbine Doubles As Digital Billboard

Most wind turbines have a recognizable shape, but a new design from Segway inventor Dean Kamen is less obvious in its functionality: This turbine is made of plastic fabric meant to be easily inflated by the wind. Archetypal wind turbines require a good amount of steel and concrete to be built, and once installed, it is difficult to move them. Kamen's design uses air to inflate the rotors, which act like giant sails. The rotors can be easily deflated, making the turbine not only lightweight, but mobile.

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