Travelling forward in time is perfectly possible. There's this theory that when going counter-clockwise around a black hole (and I don't mean a nigger's anus, you filthy trolls!) then time practically stops. Moving around the point of singularity slows down time 10x, according to some papaer. So, when the journey to the hole takes 3 years and back 3 years as well and you travel 3 years around the point of singularity, the world around you has moved in 3+3+30=36 years, while you only moved 9 years, thus have travelled forward in time.
Some shit is found here
http://www.youtube.com/watch?v=i0cVdPHOIxw from the dude with a robot voice.
Travelling back is kind of a problem.......
I'm drunk, yet I can perfectly type this shit, but I have no idea what I'm dong with my life right now