When all you’ve got is a hammer, everything looks like a nail. And when you’ve got a scanning electron microscope, everything must look like a sample that would be really, really interesting ...

I used to have access to some pretty nice Scanning Electron Microscopes (a SEM) at my day job. While they are a bit more complex than a 3D printer, they are awfully handy when you need them.

For this new study, the research team upped the power of electron beams, giving them some of the same capabilities. The idea behind the newer, more powerful beams was pretty simple, the team ...