I'm not entirly sure its possible.

If you go back in time and change something so that your unable to time travel e.g killed yourself, then you wouldn't be alive to go back and change the past so surely its impossible to change the past.

Man I'm confused.
dirty raider Reviewed by dirty raider on . Time Travel What if we invented time-travel in the future and we have our own selves in other parts of the world? Rating: 5