MIT designs 'invisible,' floating wind turbines

CAMBRIDGE, Mass.--An MIT researcher has a vision: Four hundred huge offshore wind turbines are providing onshore customers with enough electricity to power several hundred thousand homes, and nobody standing onshore can see them. The trick? The wind turbines are floating on platforms a hundred miles out to sea, where the winds are strong and steady.
http://www.eurekalert.org/pub_releases/2006-09/miot-md091806.php