Seriously thoughtful Is Time Travel possible

[ahammer]

Originally Posted by Steve Jordan

Anyway, we're talking about time travel, not jumping from multiverse to multiverse, which would not be actually going back and forth in time...

true it would depend on what you want to get from the time travel. if you view the past that it is vaid way of doing that but I get your point.

so far I have seen 2 ways that I have seen people say could work for "time travel" as it defined as going to the past contect.

by making a worm hole at one local keeping on one ponit in space and moveing the other end of it very fast to a diffrent local and back you may couse worping do to time so to the effect that you would come out the other side before you go into the 1st side. ( cant falt this one persay. but can you even move a worm hole.. also somthing just does not seem right about this. )

and

using high amounts of grivty to worp time to the point you can go back.. there is one guy that is trying to move light in a way that make a vortex back in time with grivty.


keep in mind Im just a computer programer that like to learn and by no meens expert in sicnce even.

[pilotbob]

Originally Posted by ahammer

( cant falt this one persay. but can you even move a worm hole.. also somthing just does not seem right about this. )

Um... ok, isn't the first question, is there such a thing as a worm hole?

BOb

[ahammer]

Originally Posted by pilotbob

Um... ok, isn't the first question, is there such a thing as a worm hole?

BOb

thoght worm hole seem to be possable base on the works of Einstein. (not that make it true just likly base on what we have seen so far from past things he has said show true)

[Over]

I don't believe it will ever be possible. What happened, happened. It's not recorded somewhere so that we can rewind it.

And even if we could travel to the past, how could we come back to the present? If you imagine a timeline, you live in X time (a particular moment measured in 1000000th of a nanosecond and even less). If you want to come back to the present, you would have to know that time exactly and even adjust to the time elapsed in the present while you were in the past.

If we consider that we can divide time infinitely, there's no chance to calculate the exact time you would have to travel to to get back to the present. :|

[ahammer]

Originally Posted by Over

I don't believe it will ever be possible. What happened, happened. It's not recorded somewhere so that we can rewind it.

And even if we could travel to the past, how could we come back to the present? If you imagine a timeline, you live in X time (a particular moment measured in 1000000th of a nanosecond and even less). If you want to come back to the present, you would have to know that time exactly and even adjust to the time elapsed in the present while you were in the past.

If we consider that we can divide time infinitely, there's no chance to calculate the exact time you would have to travel to to get back to the present. :|

you can devide any unit of miserment infinitely and yet we still can make buildings. you may not have to get the exact time maybe just so close it does not matter. there is the issue that comes up with time travel in shadow run if you dont get the time on the dot on a moving obect ie a planet or anything else for that matter in this would you end up in somthing or out in space or in the air falling. maybe that is what you are saying but to fix this you just have to plane to come back in open space even if you are off by 5 -10 min you will be is the same bacis spot.

[Steven Lyle Jordan]

That's the whole catch: Moving finite objects. It might, I say might, be one thing to send a particle or even a stream of particles backwards in time. But to send a specific organization of particles (like, a man) through a wormhole or some such system, and expect it to come out the other end intact... well, let's say that although it might be theoretically possible, the amount of energy and control needed to pull it off would be so close to infinite as to be impossible.

And that doesn't even get into aiming for the right spot to land...

[slayda]

I submit that time travel is possible. As proof, I woke up this morning and traveled through time to this evening.

[igorsk]

I liked this dialog from The Girl Who Leapt Through Time:

"That was a time leap.
[...]
It's not that rare. Many girls do it at your age."
"No, no, no way. Never."
"It happened to me, too."
"For real?!"
"For example, on Sunday I would sleep in late.
And then I'd think, 'I don't feel like doing anything today,' you know?
And before I knew it, it was already night. That gave me a start!
Where did my precious Sunday go?"

[ahammer]

Originally Posted by Steve Jordan

That's the whole catch: Moving finite objects. It might, I say might, be one thing to send a particle or even a stream of particles backwards in time. But to send a specific organization of particles (like, a man) through a wormhole or some such system, and expect it to come out the other end intact... well, let's say that although it might be theoretically possible, the amount of energy and control needed to pull it off would be so close to infinite as to be impossible.

And that doesn't even get into aiming for the right spot to land...

even sending particle back in time can have a huge effect now think if you could spend a bool msg back in time.. you can tell a computer a lot of info with just with a few particle. and if we can get that at some point we maybe able to get a man. the force invoid with a worm hole would be great.

lets say if could send a msg back in time sould we?
under what type of times should be even think about it? would it be only something we think about if all of man kind was wiped out?

aiming it at 1st would be like a Carpenter trying to cut something that is smooth to the nano meter but computer power will get to the point that you could factor all that in and aim it right to a spot one day. getting better and better per moores law

[Steven Lyle Jordan]

I knew you'd think of it like a radio signal... but again, you'd need control to create a modular signal. Even that would take more energy than we could hope to harness. And sending a single particle would not accomplish anything at all.

And again, if it were possible, I believe we would've already gotten our radio signal from the future, proving it.

[montsnmags]

Originally Posted by Steve Jordan

I knew you'd think of it like a radio signal... but again, you'd need control to create a modular signal. Even that would take more energy than we could hope to harness.

How much energy?

And sending a single particle would not accomplish anything at all.

Quantum entanglement? Send one of the particles?

And again, if it were possible, I believe we would've already gotten our radio signal from the future, proving it.

Perhaps not if we weren't expecting it?

Cheers,
Marc

[pilotbob]

Originally Posted by slayda

I submit that time travel is possible. As proof, I woke up this morning and traveled through time to this evening.

If only you were the first one in the thread to make such a cleaver observation.

BOb

[Over]

Originally Posted by ahammer

you can devide any unit of miserment infinitely and yet we still can make buildings. you may not have to get the exact time maybe just so close it does not matter. there is the issue that comes up with time travel in shadow run if you dont get the time on the dot on a moving obect ie a planet or anything else for that matter in this would you end up in somthing or out in space or in the air falling. maybe that is what you are saying but to fix this you just have to plane to come back in open space even if you are off by 5 -10 min you will be is the same bacis spot.

My point is that if you don't get back to the exact time spot, you will be on the past or future, so there would be two you! One nanosecond ago is past, one nanosecond after is future. You are the present. If it would be possible to time travel, and if you wanted to go back, you would have to return to YOUR exact present, which is impossible.

The time you decide to time travel would be the day you decided to cease to exist!

[ahammer]

Originally Posted by Steve Jordan

And again, if it were possible, I believe we would've already gotten our radio signal from the future, proving it.

not true persay using worm holes this way you would only beable to worp space to the point to what the worm hole was set to and that would only be to a point after both ends are made.

the power requerment sould only be whatever need to hold both end of the worm hole open... but we realy dont know what that would be. could be alot could be only a little. I would guess alot maybe on the level of a star so It may take a dyson sphere to time trivel

anyway I think we have cover that way to time travel. what other ways did I cover that we know of?

btw I love the fact I can talk about this without getting blank looks back like when I normaly do.

[ahammer]

Originally Posted by Over

My point is that if you don't get back to the exact time spot, you will be on the past or future, so there would be two you! One nanosecond ago is past, one nanosecond after is future. You are the present. If it would be possible to time travel, and if you wanted to go back, you would have to return to YOUR exact present, which is impossible.

The time you decide to time travel would be the day you decided to cease to exist!

there would only be two of your if you come backfore you go back to the past however if you overshot the time you come back by a few sec late there would not be

terms like present are based on what you see if you came back jumped 5 mins from now would you realy not call that the present. remeber that time is not even moving at the same rate base on how fast you are going. ie. from wikipeda on gps.

According to the theory of relativity, due to their constant movement and height relative to the Earth-centered inertial reference frame, the clocks on the satellites are affected by their speed (special relativity) as well as their gravitational potential (general relativity). For the GPS satellites, general relativity predicts that the atomic clocks at GPS orbital altitudes will tick more rapidly, by about 45.9 microseconds (μs) per day, because they have a higher gravitational potential than atomic clocks on Earth's surface. Special relativity predicts that atomic clocks moving at GPS orbital speeds will tick more slowly than stationary ground clocks by about 7.2 μs per day. When combined, the discrepancy is about 38 microseconds per day; a difference of 4.465 parts in 1010.[58] To account for this, the frequency standard on board each satellite is given a rate offset prior to launch, making it run slightly slower than the desired frequency on Earth; specifically, at 10.22999999543 MHz instead of 10.23 MHz.[59] Since the atomic clocks on board the GPS satellites are precisely tuned, it makes the system a practical engineering application of the scientific theory of relativity in a real-world environment. Placing atomic clocks on artificial satellites to test Einstein's general theory was first proposed by Friedwardt Winterberg in 1955