On Feb 27, 1:40 pm, Shmuel (Seymour J.) Metz <spamt...@library.lspace.org.invalid> wrote:
> The stories in which the actions of a time traveller spin off another > branch of the Universe are on shakier grounds; ask me about them when > we have a viable Quantum Gravity.
I see it the other way around; anything that allows a possibility of causality violation is clearly fantasy.
