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An interesting article here from The Guardian about a new type of wind turbine proposed for off shore use in the UK, also mentioned is a type developed here in the US. I like the picture much, and the engineering principals seem very sound. They have identified the problems with traditional turbines (Don Quixote your story may need some updating) with rotors on a horizontal axis at the top of a tall tower, and instead of re-engineering those problems, they removed the problem with a new solution. That is my favorite operandi: instead of solving problems, remove the problem.