Re: [math-fun] Kerr-boom?

Astrophysicists have have calculated and simulated what an observer would see if two black holes spiralled into each other and merged. Some interesting fractal structural pattern was observed at different scales. http://www.nature.com/news/black-hole-mergers-cast-kaleidoscope-of-shadows-1... arxiv paper: arxiv.org/abs/1410.775 Stuart