Nano-Koosh-balls: What They’re Good For and How I Made Them.

We talk a lot about nanoparticles, which are nano-sized and nearly spherical. But, the shapes accessible in the nano-world are plentiful! For example, I recently made these! (click for larger images...  DO IT!) I like to call them “nano-Koosh-balls,” because of how closely they resemble the children’s toy of the same name. These nano-Koosh-balls are …