At one point wasnt time travel considered to be made up? Now its believe possible that we have the right theory yet not the technology yet to travel at the speeds required to travel ahead in time? Granted Cold Fusion was all but disproven do to their inability to replicate the "original results" who's to say 20 years from now that wont be the case? Hell Nokia's working on a cell phone that unravels like a scroll and creates images on some sort micro-film paper, who knows what can be possible with enough time/money spent on the idea.