Time Travel Is Easy Once You Get Around Relativity

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Going back in time may seem like an impossibility, but so did air travel at one point. According to Mark Thompson, the astronomy guy from BBC's The One Show, it's all a matter of side-stepping Einstein's theory of relativity.

As Thompson explains in a special guest article written for Discovery, time travel is already possible. It has been achieved. It's over and done with. We can all go home now, or several moments later than now, all thanks to the concept of time dilation.

Time dilation is a phenomenon that is describe in Einstein's theory of relativity, in which a stationary object moves faster through time than a moving object.

Thompson uses the example of an experiment that's been performed with atomic clocks to illustrate the phenomenon. One atomic clock was left on the ground, while another was taken up in a high speed aircraft. When the clocks were united, less time had passed on the one that got the plane ride.

Basically, the faster we move, the slower time passes. If we travel fast enough, we go backwards. Simple enough, right?

[CkSned]

Hmm thats pretty strange.

[Drag]

so how fast do we need to move

[Open Circle]

so how fast do we need to move

Really Fast

Close to the speed of light, and faster if we can find a way (which is theoretically impossible as far as I know).

[CHAMIKA]

I saw something on the Science channel like this. It said something like Time moves in conjunction with space and gravity. So time actually passes by slower in space as opposed to in any spot on planet earth.

They told a story of some Russian astronaut that traveled .48 seconds in to the future because of this.

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