Who believes that time travel is possible?

Answer 1

I didn't until my great-great-great-grandson came for a visit when I was 16.

Answer 2

Time Travel is not possible.

The ability to go backward and forward in time is a theory
based upon the presumption that one can, or could, somehow
travel faster than the speed of light. Meeting that obstacle,
some enterprising science fiction writers have developed the
mad scientist machine which translates the human body into
a long series of electronic waves and pulses for transmission
through space to a distant receiver for reassembly. Consider
the "Beam Me Up Scotty" scenario... These are fiction stories,
and not practical today, and most probably not for a long, long time.

Visualize, if you will, moving faster than time. If you were to
travel at twice the speed of light for one second, you would
arrive at some point exactly one second ahead of the rest of
the world, and be 372,000 miles from where you started.
You would have generally traveled completely around the earth almost 15 times. No one would notice the one second gain, because it would take at least that long to get your act back together when you got there. Oh, did I mention acceleration and decelleration? The jet blast, power pulse, or energy stream
required to accelerate you to the velocity of 186,000 MPS or higher would probably subject you to so many hundreds and thousands of "G"s that you would look worse than a fried egg when the force subsided. Okay, you are going super fast...
Now slow down and get out to walk around... All those "G"s
again. Nope. Not today.

I think that the fastest velocity we have been able to accelerate an object to thusfar has been a rocket ship traveling at about
25,000 miles PER HOUR using every trick in the book. I may be
off a bit on that figure...but I think I am close.

Answer 3

I do not believe that it is possible in a traditional sense.


There are several philosophical problems involved with it that I cannot accept. Firstly, imagine you are the one that has built the time machine.

If you travel into the past, how can the time machine exist? Your machine was not built until a certain date, and now it exists before this date. This does not make sense; it is a paradox.


If you travel into the future, every event that has come after your machine was inevitably effected by the creation of your time machine, so how can the future exist? Each event has an effect on what is going to happen after it, and simply by creating the machine you have altered the course of history...so even if you COULD go forward in time from here, what you would be seeing would be altered by the fact you built the time machine in the first place.



That and I do not believe time is more than the passing of events within space time. I believe time can be altered and bent but I do not think it is possible to travel 'through' time itself, not under this definition.


The theory of relativity does not in any way propose that time travel is possible. This is nonsense and poor understanding of einsteins time dilation/special relativity.


The theory simply states that the PERCEPTION of time between two reference frames can be altered as the gravitational field one produces increases (in einsteins case, velocity was increasing).

You are absolutely not traveling through time in this case. All events are still moving forward normally, the only thing that has changed is your perception of that time passing.


Also realize that this time dilation as time travel is in a sense totally impossible. Time is actually dilating all around us, if this is time travel then wow, I am time traveling as we speak, as I type. Every movement dilates time as it causes a change in gravitational field intensity.


However, in order for time to pass fast enough for it to be practical for going far into the future, you would have to be traveling at about 99.9999~~~ish % the speed of light, which is absolutely impossible.

Answer 4

Time travel is DEFINITELY possible.

Do this test:

Sit quietly
Close your eyes.
Count to ten.
Open them.

You have just moved through time, cool huh!!!!

:)

Besides it has been proven that time is a construct and does not have any real bearing on the universe at large. We only notice the passage of time because we are aware of our own mortality.

Some day I will die.

That statement logically generates the the need to keep track of your remaining days. As a result we attach a title to the start of one state, the middle, and the change from one state to another.

ie: I was born on December 5, 1985, I am now 21, I hope I live until i'm 100.

Lower animals are not aware or do not care about this as they will act as they have from the beginning until they stop being.

Time will always seem to happen at the same rate wether you are travelling at 9/10 the speed of light, or sitting on your couch flipping channels.

It's all relative.

Answer 5

It sure is. It happens all the time. We travel into the future.

It's not possible to go to the past, at least not the way they do in novels and TV shows because (as the people upstairs pointed out) our very presence there would rewrite history. I suppose you could argue that this could be done and it would crreate a "parallel universe" like the original one up to the point you entered it.

Answer 6

I hate to sound like a space cadet, unlike the very well grounded people who answered your question before me, but I do believe that time is a reality in our present form of dimensional capacity and understanding.
Therefore on that note, yes, we can travel through time but certainly not in our present form of development and existence.
There have been many instances in our recorded past that seers, prophets, prognosticators can see the past and the future and even be in several places in the real time. How did they do it? Reasons unknown and unavailable for the likes of you and me.
Were they accurate?
To some point yes. The whole science of it is quite "up" there.
So in conclusion, my answer to the question is definitely a firm "It may be possible one day".

Answer 7

Theory of Relativity has already proven that travel to future is possible - all we need to do is travel at near light speed. Travelling back to past - many think this is impossible.

Answer 8

I totally believe time travel is possible. Time travel (if you believe in it) is part of the STC (space time continuom). And when you go up into space, even though no one has thought of this, you are actually in the middle of the STC. Thats just my theory.

Answer 9

I do not. I have no science to back this up, but I believe that causality, e.g. cause and effect, is a fundamental property of the universe. Since time travel would "break" causality, I believe it is not possible. Just my two cents.

Answer 10

Yes it is, infact many researchers are working on the concept of time travel as we speak. Invisibility has been opened up as a new and innovative field, though it is still in the infant stages.

Search on google.com for this informations.

Answer 11

Not only do I not believe it's possible now, I also believe it will never be possible.
Why? Because if it were ever going to be possible, surely we would have had a visitor from the future by now -- and we haven't :)