Time travel has always been a fascinating topic for many people. And so has sixth sense, but in a totally different context. Recently I realised that these two things can be explained in the same way.
We – people living in a 4-dimensional universe (3 dimensions plus time) cannot travel in time, exactly like we cannot teleport ourselves to another 3-dimensional place.
Let's focus on the time and imagine it as a 1-dimensional line. Our present time is a particular spot on that line. We see only that spot (present time), but we can remember what we experienced in the past ourselves and we can learn about other events from the past from various historical texts.
We cannot “jump” to another spot on that line because we cannot “leave” this line on our own. But I think that an entity in higher dimensions (God) can look at that line (and at our 4-dimensional universe as a whole) from the “outside”. Look and see the WHOLE line (all the past, the present and the future) at the same higher-dimension time!
When you can look at something then you can usually touch it and modify it. You can “pick up” something from the line and place it at another spot on that line. That would be time travel.
An alternative would be “telling” somebody on that line in the past to do (or not to do) something to prevent something else from happening to him (or her) in the future. That would be sixth sense.
Both cases change the universe. Time travel places somebody in the past, so the future is automatically different. Sixth sense adds only an info in the past, so it's up to a person if the future will be different – if the person ignores the sixth sense then nothing is really changed. Like it is said – God gives us free will.
The interesting question is this: When the universe is changed does the time line change or does another time line emerge (like in the movie Back to the Future II)?
Other interesting questions are these: What are the consequences of a new time line? Is there a maximum limit for the number of new time lines in the universe? Are those new time lines parallel universes? Are there some other, totally independent universes? What was “before” the big bang? What is on the “other side” of a black hole?
It's impossible to answer such questions from our point of view, because we, being “trapped” in our 4-dimensional universe, don't know how the higher dimensions actually “work”.
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