[SinJin]

Some very interesting and thought provoking explanations here, and I thank you for them. Humanbydefault, you bring up the idea of entropy into this discussion and I totally agree with you. The idea that something here changes into something there allows us to tick off the seconds, minutes, whatever word we wish to use, to determine how much "time" elapsed. but those units of measurement are just words, and the core idea is that a change has been made, a change that distinguishes the difference between something before and something after. To time travel involves more than just "going faster than light." It would involve reversing the very dynamics that our existence is built on. At least this is what I've gathered after reading the responses on this post...