After LinkNotes: How To Time-Travel (video) here are some more videos on that subject.
First a clip on the connection with Einstein's Theory of Relativity
Next two clips of Ronald Mallett, a university professor who is working on projects of making time travel a reality
and finally a longer (44 min) documentary: TimeTravel Experiments, Parallel Universes, Stargates, 2012 and New Revelations
