According to a recent article from Greentech Media, a Massachusetts aerospace company called FloDesign is working on a wind turbine concept that could potentially be at least twice as efficient as traditional rotor blade turbines, which force air around them instead of through them. It works by channeling wind into a vortex that spins the blades and generates electricity. The company hopes to have a working prototype completed by the end of 2009. Unfortunately their website at flodesignwindturbine.org is not currently functional, but the following video gives a great overview and technical details. (more…)