Brian Cox (BBC Science presenter) shows us that Time Travel IS possible...

I have posted some other fascinating science videos from Brian Cox and the BBC before, but this one really excites the science fiction fan in me.

Brian Cox, the popular BBC Science presenter who’s also a physicist at the School of Physics and Astronomy at the University of Manchester and confirmed Doctor Who fan, demonstrates to a receptive audience how time travel is possible, but only under very particular circumstances.
— http://laughingsquid.com/an-incredible-demonstration-positing-that-time-travel-is-possible-under-particular-circumstances/