The MacBook has a sensor that knows the exact angle of the screen hinge
821 by leephillips | 404 comments on Hacker News.
Alts: https://ift.tt/H9RfGV2 , https://ift.tt/Q1JHUuO Theremin Mode: https://twitter.com/samhenrigold/status/1964464940049453153 Github: https://ift.tt/ecMO07N
