reply to post by randyvs
"You do realise this amounts to riding a beam of light back into the past?"
Time Travel isn't possible, you can't go forward in time, because nothing exists yet.
You can't go backward in time, because what's happened like what i'm typing and what your reading are all focused in the present... Now you can go
back and re-read this text and essentially you are living the past, but only what you can record or document by camera or writing or storage on
electronic media. There is no "rewind" possible for the real world.
Also time since time is only relevant to the observer, say for instance you could travel at or past the speed of light, you could essentially travel
to distant places. Outside of "you", would progress at a normal rate. This means that you could, say travel to Mars and back and it wouldn't take 8
months only a few minutes to "you" and to "Earth". Earth wouldn't age at any rate faster then the time you took to travel to and from...
Oh and i forgot to add that even though you can go back and pull this text up and re-read it, your still reading it in the present, it's just been
[edit on 1/24/2010 by Brainiac]