https://en.m.wikipedia.org/wiki/BTZ_black_hole https://www.…

Twetch · August 13, 2019

https://en.m.wikipedia.org/wiki/BTZ_black_hole
https://www.youtube.com/watch?v=AbEHRrq7xwU
https://twetch.app/t/3ccf98465bf49e9196d5fc241f6cdd20798150e4d979f7c3f0ae37fd907e715f