Carbon nanofoam

Carbon nanofoam is a type of material that is made up of teeny tiny bits of carbon. Imagine holding a handful of tiny, tiny balls made out of carbon - that's kind of what it looks like.

This material is really special because it has a lot of air pockets inside of it. These air pockets make it very light and squishy, almost like a sponge. But don't let its squishiness fool you - this material is incredibly strong, even stronger than steel!

Scientists have been studying carbon nanofoam to see how they can use it to make things like super strong and lightweight batteries, stronger building materials, and even better ways to store energy. It's a really exciting material that has a lot of potential to help us make better and more efficient technology in the future.