Recent content by stanjones

Thank you both. I re-read the section in Carroll's book and it makes sense now, which for such a non-intuitive subject is something.

Build a Dyson sphere around a black hole (this is a thought experiment), so no more mass "falls in". Line the sphere with insanely bright lights. What happens to the black hole? I ask this because Prof. Sean Carroll in "From Eternity To Here" discusses whether there is a limit to the...