1443
Scientific Exposure
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

Rules
This is a science community. We use the Dawkins definition of meme.
What does PI mean (first sentence of your post)?
Principal Investigator, the person who heads a lab. Typically a university Professor at the rank of Assistant, Associate or full Professor.
PI are usually the professors of the lab, who are basically the managers, they write grant proposals, and the such.