A brief history of time travel
Time travel, reckons Cambridge University's Lucasian Professor of Mathematics, Stephen Hawking, is not possible "for if it was, they would already be here telling us about it".
Yet, for more than a century, the possibility has captivated both boffins and fiction writers - since H.G. Wells introduced the idea of a time machine in The Chronic Argonauts in 1888, and since Einstein's theories gave the notion an awful lot of academic clout early last century.
Films, books and TV have been making hay with the idea since, although Dr Who is not regarded as being among the forefront of serious fictional excursions into the genre.
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Randll Reese Besch - 8/16/2007
Even if one such chrononaut was a reality and violated such an idea would anybody but a dreamer might believe them. There was a story several years ago of such a man who predicted certain occurances then literally disappeared. I can't think of his name but he was on Coast to Coast. So perhaps Dr. Hawking is right but he is unaware of this man.
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