here's a good video on how computers accurately (but not perfectly) keep track of the passing of time: (I personally keep track by constantly thinking about my ever-growing existential crisis) https://www.youtube.com/watch?v=_2By2ane2I4
@wilkie Oh, nice video. I was having trouble explaining this a few days ago when someone put out a press release about a piezoelectric violin
@wilkie https://www.youtube.com/watch?v=CPxOKHC75Jg
It's really cool looking. I think it's supposed 3-D printable, and a violin equivalent of a silent guitar ( https://en.wikipedia.org/wiki/Silent_guitar )