Traveling through time, typically with the intent of changing past and future events, has fascinated mankind for many years. It has been the main topic of numerous books, TV shows, and flicks. Sometimes things go well such as Back to the Future wherein Marty's time travel makes a much better dad. Chaos is in other cases the actual result like in A Sound of Thunder wherein the death of a butterfly causes the world to turn out much worse. Other times the results are not felt in any way, as with The Time Machine, where Alexander extends back soon enough in order to save his girlfriend's life, simply to see her die an alternative death.
These are all entertaining, fun ideas, but they are they possible? Einstein thinks so and thus do many scientists of our day. In fact, it is often a fundamental thought of physics since Einstein's equations showed that it really is. Of course he couldn't test his theory; however the equations he developed indicated that the faster a thing moves, the slower time moves for that object. That means that if you were in the very quickly spaceship traveling at towards the speed of light for a few years, centuries would pass everywhere else.
Like I said, it couldn't be tested in Einstein’s day, nonetheless it can, and it has, today. Scientists have got super accurate clocks and place one over a really fast jet along with the other on the floor. The jet is then flown around at amazingly fast speeds, fat nowhere even remotely near the speed of light. After a while the plane returns and also the clocks are tested. The one in the jet is actually a few thousandths of an second behind the grounded one.
This proves that individuals can progress with time whenever we travel fast enough, however it doesn't say anything about returning to days gone by. A few obscure experiments indicate that no less than electromagnetic waves might be able to go back, but we're hardly sure. The equations say we could, but and we don't understand how to really check it out yet.
Some scientists hold that backwards time travel isn't possible due to paradoxes related to it. For example, in case you could travel back soon enough, then you might kill your grandfather, thereby never be born. This can be answered by invoking a multiversity through which every decision sends us onto some other path, therefore the future you originated in won't exist for you anymore, the one you're making within your past. In any event, the philosophy of time travel is apparent on forward time travel, but backward travel time continues to be up for debate.
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Author : Carmina Ahmed |
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