I'm a big fan of anything powered by the wind and was amazed when I watched a video of the IBM Oracle sailboat, a highly advanced sailing boat that is rumored to have cost more than $200 million to construct (replacement masts alone run $10 million) and which was designed with one goal in mind — to win the prestigious America's Cup race. While it's certainly not green by any stretch of the imagination, it is powered by the wind and is breathtaking to see under sail.
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