The Universe in a Nutshell

What is a time travel "horizon"?

help

Asked by Cat on 07 Oct 01:47

Last updated by Cat on 07 Oct 02:30

1 Answers

Answered by Cat on 07 Oct 02:30

A time travel "horizon" is the idea that certain regions lack time loops and function like black hole horizons. Hawking suggests that perhaps an advanced civilization could build a time machine that thwarts the time travel horizon.