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m0nde · #19 07-09-2005, 07:09 AM

Quote:

Originally Posted by KirbyDE

Time-Travels are, even theoretically, impossible - at least within one universe.

Kirby, everyone seems to agree that time travel into the future is quite possible because of the "arrow of time" concept. This is an integral part of the general theory of relativity. However, time travel into the past is another issue. Anything is possible, but it's much less probable that time travel into the past could be accomplished.

We travel into the future every day. When you travel in a plane time passes a bit faster for you than when you travel around on the surface of the earth. This has been proven with atomic clocks on board aircraft and spacecraft.

There's another interesting thing about simply viewing future events which again people think is possible.

Here are some things to read about actual time travel:

http://www.pbs.org/wgbh/nova/time/
http://science.howstuffworks.com/time-travel.htm
http://plato.stanford.edu/entries/time-travel-phys/

- Sid

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