I was being sarcastic :P
Anyways...
http://www.youtube.com/watch?v=0s82fW-jtcg&list=FLrtSmUzzXvZU6FGwnvkJUlQ&index=12&feature=plpp_video
How do you think a person would time travel then?
http://www.youtube.com/watch?v=YzMrNFd4oOk&feature=related
They call it "Gravitational Time Dilation"