The bladeless wind turbine developed in a cooperative effort between Spanish and US companies is incredible in that it's nearly silent, less maintenance intensive, & easier to deploy in cities.

It vibrates through wind oscillation and that vibration is converted into power. (Think of a bridge swaying in the wind)

Cool tech.

Still, I can't but help think of the javelin scene from "Revenge of the Nerds!"

http://www.euronews.com/green/2022/12/02/it-may-look-rude-but-this-vibrating-wind-turbine-is-producing-clean-energy