Wide Angle: Is Sci-Fi Time Travel Possible?
Time travel appears all too easy in science fiction storylines, but is there any science behind the fiction? The recently released comedy "Hot Tub Time Machine" brought back memories of DeLoreans, Flux Capacitors and impossible plots that defy common sense -- let alone Einstein's Special Theory of Relativity. So, let's have some fun exploring the history of sci-fi time travel before one of the greatest physics minds on the planet digs deeper in his upcoming cosmology series, "Into the Universe With Stephen Hawking."
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Is Time Travel Possible?
Modern culture is inundated with tales of time travel. But is it really possible to travel through time? Robert Lamb talks with theoretical physicist and cosmologist Paul Davies, author of "How to Build a Time Machine," to find out.
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Top 5 Time Travel Methods from the Movies
Movies are riddled with time travel plots, but which are the most feasible? Time travel expert Ron Mallett gives us his top 5 science fiction story lines.
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Into the Universe With Stephen Hawking
In his epic new cosmology series, Stephen Hawking will investigate everything from the possibility of finding alien life to the science behind time travel. Begins April 25 on the Discovery Channel.
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Turning a Hot Tub into a Time Machine
Assuming a Hot Tub Time Machine has the same energy requirements as Back To The Future's DeLorean, what kind of upgrade would it need?
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Hot Tub = Time Machine?
How many of the "Top Ten Time Traveler Rules" does Hot Tub violate? Jennifer Ouellette investigates. For fun, obviously.
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Lost in Spacetime
The plot of the hit TV series "Lost" may seem as braided as a pretzel, but some real physics is being used to support the storyline. As for all the symbols and hidden clues, you're by yourself.
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Top 5 Sci-Fi Time Travel Methods
HowStuffWorks.com science writer Robert Lamb selects his favorite sci-fi time travel methods as used on TV and in the movies.
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Wide Angle: Surfing Spacetime
If you thought time travel was tough, it's time to look into another sci-fi favorite: warp speed. We investigate the science behind the fiction, proving that if we assume a sufficiently advanced technology, anything is possible.
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