Talk:716: Time Machine
Explain xkcd: It's 'cause you're dumb.
Isn't this a paradox? 18.104.22.168 11:01, 26 October 2013 (UTC)
- Yes, the grandfather paradox. However, a number of solutions have been proposed for it, which are also described on the linked page. NealCruco (talk) 22:32, 10 November 2013 (UTC)