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I don't think it is.Dimensional(space) travel may be possible,life after death may be possible but not this.Actually I believe that dimensional travel and life after death is possible.I mean this is just too incrediablle to be true.I mean,going back to the past and change some things in your life or going into future and changing things that you don't want to happen to you.For you believe in this you need to believe in destiny and I don't believe in destiny.Even if you can only go to parallel time,that again mean that there is destiny.For example:It turns out that you go millions years in the future and you see that there are other kinds of living things and there are not humans,they extinct,knowing this won't you be able to change that fact somehow.Here is how I will disproof this theory on some way.For example we humans go to that point that we invent time travel.We go back to the past and help these humans there so they be more advanced then they are.Then why in our history hasn't happen such a thing.Why hasn't someone from the future come to help us.Even if only traveling in parallel time is possieble this should have happened because there is not only one future.If this thing is invented somewhere in the future,than because there is more away future than that one,that means that there are a lot of peoples from different times,that try to go back in time so there must be someone who will have ended up here if it existed.And we defienetly can be sure that someone hasn't come here and not showed himself.Because somewhere in the future this this ting(if it exsist) is their everyday life(like computers today,imagine how rare were the when they were invented),so every ordienery person would dare to say that he is from the future.Because there are infinite number of times there would have been a lot people who would have ended up here,even living ones today should be a lot,and they will all say that they come back from the future and will try to go back there.

Many scientists this days explain everything with time travel,it just sound so amazing that makes people believe in it.First of all,scientists can't explain how our mind work.If you spin very fast,after that won't you lose balance.It is because the center of balance in the mind is disturbet.Didn't we get tired if we use our brain a lot a lot,again,the brain is getting exsausted.Aren't some people vomiting if they ride in the bus for long time.I just want to say that who knows what happen in our minds when we travel in the speed of light.I am saying this because scientists say that time travel is possible if you can travel at the speed of light.Scientists today explain everything that in their theories may prolong the life or disturb the mind,with time travel.They prescribed everything to the time.Isn't it possible on that speed something to happen in our brains that prevents aging of the cells.About the space travel or like I said before dimensional travel,yes I believe in it.With that we may go to another far away part of the universe that we can't get on another way or maybe to another world(I don't believe much in this).Plus this are only theories(I don't say that this what I say isn't),nobody have ever acceleratet to the speed of light,this theories has absolutly nothing to rely on,they are nearby as fantasies.In my theory space and time are not the same.

yes, time travel is possible. there are two ways to do it. the first way is traveling very fast. you will not notice or feel anything different. however, in order for there to be a noticeable difference to the observer, the speed of the person or object traveling through time, must be very, very fast. if you could travel on a ship at close to the speed of light for one year, you would age one year, but many years would have passed on earth. another way to travel through time is to position yourself close to a huge mass, such as a star, or black hole, because, the closer you are to a gravitational source, and the larger that source (or body of mass), the slower you will age.

so, traveling in a car at 100 kph, regardless of how long you were traveling, would not make enough difference to notice, and probably would only be nanoseconds into the future, (if that).

it is not against the laws of physics to travel backwards in time, but physicist have not yet worked out how to do it. there is a paradox that seems to make it impossible, the "grandfather" paradox, that says if you go back in time and kill your grandfather, you would have never been born, so therefore, you could have never traveled back in time and killed him to begin with, and, therefore, backwards time travel must not be possible. but, physicist will tell you that traveling back in time does not break any of the laws of physics, and therefore, it should be possible. they get around things they don't know, like answers to questions like this, by saying that if you travel back in time, you enter a parallel universe, and therefore, there would be some way around the grandfather paradox.

YES in a single course: the long run. To accomplish that, you wish to have an overly rapid spaceship which will journey to a sizeable fraction of the velocity of sunshine. You will revel in time contraction alongside the next formulation t' = root (a million -v^two/c^two)*t in which t' is the time you revel in t is the time skilled through a desk bound observer (e.g earth) v is your velocity c the velocity of sunshine. For instance should you had been to journey at 10% of the velocity of sunshine, you might revel in a time contraction of ninety nine.498% Not very spectacular. But at 50%, time contraction might be 86.60% at ninety%, it might be forty three.fifty eight% at ninety nine%, it might be 14.10% at ninety nine.nine%, it might be four.forty seven% So should you might get a spaceship to arrive ninety nine.nine% of the velocity of sunshine, and hold this velocity for four.forty seven years, to your go back to earth one hundred years might have long past through. Fly for forty four.7 years, and are available again to earth a thousand years later. So in PRINCIPLE you CAN journey FORWARD in time. Practically there are a few snags. With growing velocity , identical to time contracts, your mass augments within the identical percentage (e.g. if time runs 10x slower, your mass is 10x larger. So to revel in the identical drive to your seat, you might have to slash your acceleration due to the fact that your mass improved (take into account F=ma). Also it might emerge as more and more problematic to transport at the ones speeds and in most cases your frame might endure critical trauma (for instance each and every heartbeat might require so a lot more vigour).

see the below link.

http://www.google.co.in/search?hl=en&client=firefo...