Every story and comment from the Hacker News API, in a layout borrowed from 2001.
A comment on Rumours swell over new kind of gravitational-wave sighting. Parent comment
https://en.wikipedia.org/wiki/The_Road_to_Reality
It is quite long and dense but explains the math from first princples like you want.
There are no comments on this comment yet.
https://en.wikipedia.org/wiki/The_Road_to_Reality
It is quite long and dense but explains the math from first princples like you want.