Add Yahoo as a preferred source to see more of our stories on Google. When you think of a wind turbine, the image that likely pops into your mind is the classic three-bladed giant rising from farmland ...

Wind power has always been a trade off between clean energy and the visual, acoustic, and ecological cost of giant spinning blades. A new generation of radical designs promises something different, ...

When you think of a wind turbine, the image that likely pops into your mind is the classic three-bladed giant rising from farmland or the sea. But over the years, designers and engineers have come up ...