Plasma in a box! We use this machine to etch silicon by blasting it with
high-energy plasma, and the machine’s makers were kind enough to include a
little viewport in the side so you can look in and see the plasma. It’s this
pretty glowing blue-violet color… one
![(Untitled)](/content/images/size/w795/9acca258282761d2d70003fd82adfdb8/tumblr_ms05h7VjZM1spzrmao1_1280.jpg)