This wind turbine has no blades — and that’s why it’s better
What do you get if you take the blades off a wind turbine? A better wind turbine.
That sounds like a joke, but that’s actually more or less the model
of a new wind turbine prototype. Instead of blades that turn in the
breeze, the turbine is just a hollow straw that sticks up 40 feet from
the ground and vibrates like a guitar string when the wind thrums by.
The Spanish engineers who founded Vortex Bladeless in 2010 said they were inspired by the Tacoma Narrows Bridge disaster (maybe not the best
pitch for clean energy to a disaster-wary public, but I’ll leave that
to their marketing department). Here’s how it actually works, from Wired:
