Physics

Is Time Travel possible



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"Is Time Travel possible"
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Have you ever asked yourself these questions?

Is it time travel possible?
If it is what would happen if you changed something in the past?

The English mathematician, Stephen Hawking once proposed a very interesting question on Time Travel. He asked: "If you could have Time Travel, wouldn't they already be here telling us about it?"

With this one sentence he seemed to have solved the very question of Time Travel. It cannot be possible because we don't know about it or can it?

This is a good argument.

It is known that time travel is not possible in the current Physics environment and that our understanding would have to change to make it a possibility.

By rewriting special relativity to create a timeless universe you could say that time travel is possible.

Time is just a figment of our imagination, it does not really exist. In a timeless universe where nothing ever disappears and nothing ever appears, everything always is, all of the time. What could be described preordained universe that is waiting to reveal its secrets. You could say, how can time travel be possible if time does not exist?

We humans travel through what we perceive as time from our birth to our death. We go back in time when we recall our past and to the future when we imagine and anticipate what to come in our life. We capture past events on film (video and still images) and in writing. We take ourselves back in time when we read the books and watch TV shows on our history. Astronomers looking at the stars are actually looking into the universes past. The further away from the earth the look the further back in time the look.

If time travel was possible would the Quantum Leap scenario be possible? What would happen if you could go back in time and change history? If you could change the past what would happen to the future (your present)? If you could go back in time to meet your hero who would it be?

In Quantum Leap Sam Beckett travels back in time to change history.
The opening lines of season 3-5 are:
Theorizing that one could time travel within his own lifetime, Dr. Sam Beckett stepped into the Quantum Leap accelerator and vanished .... He awoke to find himself trapped in the past, facing mirror images that were not his own and driven by an unknown force to change history for the better. His only guide on this journey is Al, an observer from his own time, who appears in the form of a hologram that only Sam can see and hear. And so Dr. Beckett finds himself leaping from life to life, striving to put right what once went wrong and hoping each time that his next leap will be the leap home.

If you could go back in time and change the past it would effect the future (your present).

Time travel is not a possibility at the moment but it could be in the future.

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