A bladeless wind energy converter. Yes, it sounds a little bit crazy because conventional wisdom dictates that wind energy is best, if not only, generated by blades rotating in the wind. But it was also conventional wisdom that told us that the earth was flat. So away with it for now. It’s the same thing two designers
Source: Wind Energy Conversion Without Blades Or Rotation by Derick Love via Ready Tribe - Don't Just Survive, Thrive!.