Grist: When it comes to big wind power projects, were starting to throw caution to - well, the wind.
Sandia National Laboratories - with funding from the U.S. Department of Energy - is setting out to create towering offshore wind turbines with blades 650 feet long. That`s two and a half times the length of any that exist today, according to Sandia`s announcement.
For a sense of scale, 650 feet is roughly the length of two American football fields, seven blue whales, or $3,250 in $5 Footlongs. Thankfully,...