Time Travel Theory

[espen180]

http://www.youtube.com/watch?v=DnLIxEso4rg

What are your thoughts about this?

[Fredrik]

There's another thread about this already.

Edit: I didn't find the recent thread about it, but I found an older one (http://www.physicsforums.com/showthread.php?t=147946) that contains some good answers.