VocationConfining

Electron Microscopy. Often used to see very small structures at high resolution. So 1.2 Å is 1.2 angstrom, or 0.12 nm.

Edit: I should add that often at really high magnification, there is a lot of noise, so the joke is that non EM people would just see static. Not too far from the truth. Practice helps seeing the patterns!

Am I mlissing something? I don’t see a mention of herpes, COVID, or aggressive.

On the other end, they need to move the camera to the bottom of the screen so people with bifocals stop using only the bottom third of the camera.