One of the innovations in the turbine design are rotors that can act either as a propeller to fly the device or as power generators. When it initially takes off, the device flies a bit like a helicopter. Then it positions itself to fly into the wind and generates electricity from the energy in the crosswind.
March 28, 2012 3:59 AM PDT
Photo by: Makani Power
| Caption by: Martin LaMonica
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