RE: What do you know today that you didn't know yesterday?
March 28, 2024 at 8:53 am
(This post was last modified: March 28, 2024 at 8:53 am by polymath257.)
I prefer Lobachevsky:
https://www.youtube.com/watch?v=UQHaGhC7C2E
https://www.youtube.com/watch?v=UQHaGhC7C2E