I got a link to the story for you so you can brush up on your String Theory for Dummies. I know I need it.
Oh, and I got the article from Fox News, so there's a little thing in there about how the inability to travel back in time proves the Iraq War was a good idea.
The urge to hug a departed loved one again or prevent atrocities are among
the compelling reasons that keep the notion of time travel alive in the minds of
many.
While the idea makes for great fiction, some scientists now say
traveling to the past is impossible. [more...]