"World's Fist Time Machine" – Documentary

In 2003 BBC made this interesting documentary about time travel. It talks about Dr Ronald Mallett a physicist on the brink of making time travel a reality. It answers questions such as “why we can never go back and see dinosaurs”. It also talks about the Grandfather paradox and ways around it such as alternate universes. VIDEO->
The full documentary is a broken link now so the following video is just a short clip from it.

Via Digg

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