Imagine being able to travel back in time to change your answers on a test, or going back to enter the winning lottery numbers and winning millions, or going into the future to visit your future self. This may sound impossible to you now, but soon enough, or even as we speak, this dream could become a reality. Time travel's been one of man's wildest fantasies for centuries. It's long been a popular trend in movies and fiction, inspiring everything.
Before I can talk about time travel, we need to understand how it may be possible. One way to achieve time travel into the future would be travelling at the speed of light in space, as first theorised by Albert Einstein. The accepted theory is that one would have to build a space ship that can travel at the speed of light, and head out into space. But there is another feasible way to travel though time, and once again it involves going into outer space. Einstein also theorised that if you were to situate yourself on the edge of a black hole, time would pass more slowly. While most people think of time as a constant, time is actually an illusion; it is relative - it can vary for different observers depending on your speed through space. Time can't exist without space, and space can't exist without time. Any event that occurs in the universe has to involve both space and time.
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Time-travel is one of the strangest ideas that mankind as ever come up with. Time-travel is the ability to go into the future or the past and interact with the objects and people there. It seems like the greatest thing humans could invent, and if that is so, why is it that all scientific studies don't focus on creating a machine that can travel through time? We could go back in time and stop wars before they start; we could take people who don't deserve to hold a position of power and make sure they don't enter that position. If we have all of these possibilities at our disposal with a time machine, then why don't we make one? For one simple reason - time-travel is a fantasy, and only a fantasy.
Now, let's pretend we have a fully functional time machine for our use and we go back in time and stop Hitler before he starts to bring Jews to concentration camps. While this may seem like a heroic thing to do, the most disturbing part is that you may never exist if Hitler never became the Nazi leader. Events that we think we have no part in whatsoever can actually affect our family tree, and if your great-grandfather would have ever met your great grandmother, and if he hadn't, then he has different children, and they are part of a completely different future from what had existed before. Even though time travel may be possible in the near future, we have to wonder, whether it will be a good breakthrough, or will we live to regret it. Changing something that happened, or that is going to happen, can have catastrophic effects on the world as we see it. It may even remove the existence of certain pivotal people in history. People may get so overwhelmed with the power of being able to change the world, that they might even change their own destiny's. There is no time like the present. It's a human idea after all. The future is your past, and the past was your future. Going back in time is not possible at this moment because there is no way to gather all that energy that once was, as a figurative shape, together at one time, for a few moments. And the future will never happen because there is no way of accessing it like a fast forward button. Especially since "Time" runs backwards. You end up going "forward" but in reality you're going towards a world that has been happening all at once for what
seems so far to be your life. In the meantime, however, interested time travellers can at least experience it through movies, television and books.
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