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It would appear to be impossible as it would break several fundamental laws of the universe as we understand them.

There are theoretical mathematical models that allow it under extreme circumstances, but eventually they all come to a fundamental anomaly of circumventing cause-and-effect, thus creating a paradox. Paradoxes cannot occur in the real world.

In fiction, the paradox is either ignored, or has speculative results that cannot be tested or proven. In fact, the result of any time travel would not be even discernible by any known means, if it actually caused changes to the existing timeline.

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13y ago

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Is time travel to the past possible?

Not currently. Perhaps not ever.


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So far, time travel has not been achieved - not with a watch, not with any other device. It seems somewhat doubtful that it ever will be possible.


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There has been speculation about the possibility of time travel for centuries, but there is no evidence that this is possible, or ever will be.Of course, you are traveling forward in time, all the time.


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There is no evidence that time travel ever occurred (outside science fiction and fantasy stories, of course), and perhaps it will never be possible. Therefore, it's a bit premature to ask about the "cause" of time travel. If there is no time travel, then there is nothing that causes it.


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There is no evidence that what is commonly known as "time travel" is possible at all.


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No, time travel is, thankfully, only science fiction.


Can a tornado ever travel due west?

It would be possible but unusual.


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No,time travel is possible but it is somewhat difficult,as einstein said,"if an object travels with speed of light , the time near it would become slow and time travel wold be possible. All we need to is to produce such machine /spaceships that can travel up-to light's speed.


What kind of mathematics do you need to calculate time travel?

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Is it possible to create virtual program enough good that time travel will be studied completely?

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