The Birds and the Bees have inspired one startup to send forth a hovering turbine. Green Wavelength, “committed to finding ways of applying nature’s solutions to our man-made energy problems,” presented its xBee prototype to an entrepreneurial buzz at The Perfect Pitch 2009. This biomimetic windmill sports 19-ft. wings of aluminum and carbon fiber that rotate to and fro — à la bumblebees, hummingbirds and dragonflies — to produce 1-10 kW of wind power suitable for homes and small businesses.
Via TreeHugger
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Video here: http://www.youtube.com/watch?v=kWMuFnxk1o8
Very imaginative design, genius if it proves more efficient than regular wind turbines.