Carbon-fiber epoxy honeycombs mimic the material performance of balsa wood

Balsa wood?

Seriously, the blades of modern windmills are filled with frickin' balsa wood?

That's the fancy level of modern technology that we're working with to replace coal and natural gas and hydroelectric power?

It's not really a surprise that materials engineers are looking to replace balsa wood with something a little more reliable.

Check out all the details in the article or see the research group's video above.