A Problem With Time Travel

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Proteus214

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TheGreatCoolEnergy said:
Good theories so far...
-snip-
Hmmm perhaps once you can control time you are removed from it's effects? Sort of liek how once you have mastered a magic trick, it is no longer considered magic to you? If time was like a stream, and you wanted to divert said stream, you wouldnt stand in the stream to move it, you would dig up the shore(space?).
And thus we arrive at the Theory of Relativity. Everything we perceive is relative to time so if we try to measure time relative to...well...time, when time stops, so does your reference medium. Therefore if time stops, you perceive...nothing! Until we come up with a different medium of reference, we will have no way to even see if there is a difference.
 

Captain Pancake

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I believe if anyone were to stop time, they would freeze to death, as the vibrations in all the atoms around them would stop.
 

messy

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Maze1125 said:
The speed of light is constant regardless of your momentum through space-time.
So, even you have no momentum through time, light will still appear to be travelling at the speed of light. And so you would be able to see.
Even if light was still there, whose to say nerve impulses would still work. Since they require the movement of ions in and out of cells.
 

Crescent Sun

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There are actually 11 dimesnsions, which I won't explain. Time is based on effects of both gravity and speed. Einstein's theory focused more on speed of light, C, which stated that time can be controlled by something moving faster than light. This theory was pushed aside by another of Einstein's theory, "Nothing can go faster than the speed of light."
Gravity is a constant effect and hard to determine how far away is zero gravity, since we haven't left the solar system.
*Forgot the point*
You could still perceive the world, but it would be irregular (like it would seem a distortion of reality)
 

TheGreatCoolEnergy

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klakkat said:
You do realize, this is only one of Thousands of issues with time travel, correct?

In fiction, it's generally easier to say that whatever gives them the power to manipulate time also compensates for side effects, largely because it makes the ability easier to perceive and deal with for the audience.
Yes I realise this, especialy the fact that going back in time could create millions of paradoxes not even concieved yet.
Diablini said:
TheGreatCoolEnergy said:
Good theories so far...

Proteus214 said:
If time stopped, you wouldn't even perceive it. For all we know the flow of time may vary as much as the tides in the ocean. The problem is, our brains depend on the flow of electric current, which in turn depends on the flow of time. If time were to stop for any length of time (I regret that statement, my brain just exploded too) we would not notice it at all and we wouldn't have a true way to measure it either.
Hmmm perhaps once you can control time you are removed from it's effects? Sort of liek how once you have mastered a magic trick, it is no longer considered magic to you? If time was like a stream, and you wanted to divert said stream, you wouldnt stand in the stream to move it, you would dig up the shore(space?).

Diablini said:
*Starts sucking his tumb*

Uh, no. That light is already touching your eyes and your brain has already received it. The proper question is, when someone stops time, how can he play it again if he is also influenced by time?
Yes it would already be percieved but you would only ahve the visual for a split second, as your brain needs a continual feed to keep a continual picture. Thats why when a lightbulb is turned off everything becomes instantly dark. You already saw what was in the room, but the feed was cut off.

On another note, I liek your DP
I don't think you get it, yes, your brain needs a constant feed, but not when time has stoped. It will just stay at the last feed.
Yes but then you wouldn't be able to act in frozen time and there would eb no point, which is why whatever allowed you to control time would have to allow you to be removed from the flow of time, so that there would be a purpose.

The_AC said:
My issue is:
If people could travel through time, then they'd be here.
No neccessarily...Like what is there right this second worth travelling back for? Compared to like major historical questions like Jesus' life.
 

cold killer pov

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it makes games fun, who cares? maybe they just slow time down a lot, so its still moving just not as fast... and with light being so fast it still would be percievable. holes poked and prodded i feel
 

Gerazzi

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Crescent Sun said:
There are actually 11 dimesnsions, which I won't explain. Time is based on effects of both gravity and speed. Einstein's theory focused more on speed of light, C, which stated that time can be controlled by something moving faster than light. This theory was pushed aside by another of Einstein's theory, "Nothing can go faster than the speed of light."
Gravity is a constant effect and hard to determine how far away is zero gravity, since we haven't left the solar system.
Did I miss something? I thought that there were only 10 dimensions, but anyway there is no Zero Gravity, it is an exponentially declining figure, You'd have to have the only mass in the universe to have Zero Gravity.

Also, you wouldn't be able to stop time, but, let's say you were moving at the speed of light, it would look like everyone else wasn't moving at all. It's all about relativity, baby!
 

BonsaiK

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TheGreatCoolEnergy said:
Alright as we all know there are 4 dimensions: Length width hieght and time. The idea of time travel is the ability to manipulate the flow of time, so that you could pause a moment, relive past moments, or expierience things yet to happen(assuming the flow isnt altered).

Now my question here is about the time travel in movies/games. in most forms of media, people can 'pause' time, alowing them to do things while others are completely frozen. This brings me to my question: If one where to completely stop time as stated, wouldn't they not be able to see anything while it is stopped? Since there would be no light reflecting of objects, because the light has stopped also, then there would be no light traveling to your eye and being interpreted by your brain. Therefor, when time was paused everything would be pitch dark. Right?
Time as a fourth dimension is a "relativity theory" view. This differs from classical physics where time is seen as a separate dimension that flows at an even rate, independent of physics. Relativity theory also states that the faster an object goes toward the speed of light, the further it goes through time - time (relatively) slows down for that object. Say you were twenty years old and got into a spaceship, and travelled for five years at nearly the speed of light. When you then returned to earth, you may find that the population has actually aged 50 years. But it only would have felt like five years to you while you were inside your spaceship and you would only be 25. Now if you could travel AT the speed of light, what happens to time then? Does it go infinitely fast, relative to you? Does this mean that you are then "frozen"? Since speed is also relative to different objects (you may be walking at 5 miles an hour but the earth is also rotating which is another movement relative to the earth's axis, and also orbiting the Sun which is a movement relative to the Sun, the the solar system is also drifting in the Milky Way etc...), if there is a speed difference of 1 x the speed of light between you and everyone else, then who is to say which object is moving at the speed of light and which is not? What is the reference point for the relative speed? Maybe if the reference point is also moving at your speed, is it therefore possible that the world will freeze and you will not? You may wish to study relativity theory a bit more.
 

Crescent Sun

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Gerazzi said:
Crescent Sun said:
Did I miss something? I thought that there were only 10 dimensions, but anyway there is no Zero Gravity, it is an exponentially declining figure, You'd have to have the only mass in the universe to have Zero Gravity.

Also, you wouldn't be able to stop time, but, let's say you were moving at the speed of light, it would look like everyone else wasn't moving at all. It's all about relativity, baby!
Proof of dark matter( yes it's real, just not in the SCi-Fi way) and M-theory change alot of prenotions. Even string theory makes since, when you add more strings. The point remains, humans know very little compared to what we discover. Kinda like finding a future machine and pushing random buttons, you have no idea what will happen
 

Abedeus

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I think the bigger issue is - how to calculate where in the time you want to travel so that you don't fall into an ocean or travel to the outer space?

Because Time Travel is usually just changing 02.09.09 to 06.06.06. And let's not forget that in 3 months, Earth changes its position in the universe. So if you are traveling from XYZ on one day to XYZ on the other day, it's the same point, but if the planet itself moved... You either end up in a completely different country, outside of Earth's orbit or inside of the planet itself.

THIS! is the true problem.
 

Epitome

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Cargando said:
chaosdagger said:
Cargando said:
Five, you forgot gravity.

Anyway, yes you are right but hey, it's just a film right?
Gravity is a force of phsyics not a dimension.

Also the "fourth" dimension wouldn't be time but rather "Space-Time" as Einstien theorised, Space and time are not seperate (A currently held belief) but one in the same.

If you actually stopped time, it would stop you as well. I believe the use of Time Stop in games is simply the process of freezing the local area around one's self, preventing the people and objects from moving through time, but not the process of freezing time its self. Anyway it doesn't really matter since it's Sci-fi anyway... it doesn't have to make sense
Common misconception I'm afraid, Gravity is name of the [i/]effect[/i] not the force. Think of it like a ball rolling down a hill. Gravity is what's happening to it, but no-one knows what the creates the attraction to the mass of the Earth. Okay, I was being a bit of a smartass with the five-dimensions thing, that's merely a theory. One that I don't agree with. I believe in the Graviton theory.
Eh its Strong Nuclear is teh name of teh force that causes the attraction of masses and gravity is an effect of a high speed centrifuge not teh attraction of molecules. E.e we feel the effects of gravity because the earth is spinning not because the earths mass is attracting our mass.
 

Cargando

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Epitome said:
Cargando said:
chaosdagger said:
Cargando said:
Five, you forgot gravity.

Anyway, yes you are right but hey, it's just a film right?
Gravity is a force of phsyics not a dimension.

Also the "fourth" dimension wouldn't be time but rather "Space-Time" as Einstien theorised, Space and time are not seperate (A currently held belief) but one in the same.

If you actually stopped time, it would stop you as well. I believe the use of Time Stop in games is simply the process of freezing the local area around one's self, preventing the people and objects from moving through time, but not the process of freezing time its self. Anyway it doesn't really matter since it's Sci-fi anyway... it doesn't have to make sense
Common misconception I'm afraid, Gravity is name of the [i/]effect[/i] not the force. Think of it like a ball rolling down a hill. Gravity is what's happening to it, but no-one knows what the creates the attraction to the mass of the Earth. Okay, I was being a bit of a smartass with the five-dimensions thing, that's merely a theory. One that I don't agree with. I believe in the Graviton theory.
Eh its Strong Nuclear is teh name of teh force that causes the attraction of masses and gravity is an effect of a high speed centrifuge not teh attraction of molecules. E.e we feel the effects of gravity because the earth is spinning not because the earths mass is attracting our mass.
Centrifugal force spins objects [i/]outwards[/i] not inwards. Also the Strong Nuclear force only applies on an atomic level.
 

Epitome

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Abedeus said:
I think the bigger issue is - how to calculate where in the time you want to travel so that you don't fall into an ocean or travel to the outer space?

Because Time Travel is usually just changing 02.09.09 to 06.06.06. And let's not forget that in 3 months, Earth changes its position in the universe. So if you are traveling from XYZ on one day to XYZ on the other day, it's the same point, but if the planet itself moved... You either end up in a completely different country, outside of Earth's orbit or inside of the planet itself.

THIS! is the true problem.
hmm so for effective time travel one woul dhav eto be able to generate a wormhole of known distance and time distortion and calculate to a very sharp degree where te earth will be when you are arriving... hard
 

Epitome

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Cargando said:
Centrifugal force spins objects [i/]outwards[/i] not inwards. Also the Strong Nuclear force only applies on an atomic level.
Apologoes you are correct its been a while since i studied my ohysics, but im relatively sure its teh rotational force of teh earth that causes the effects of gravity to be felt.
 

Cargando

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Epitome said:
Cargando said:
Centrifugal force spins objects [i/]outwards[/i] not inwards. Also the Strong Nuclear force only applies on an atomic level.
Apologoes you are correct its been a while since i studied my ohysics, but im relatively sure its teh rotational force of teh earth that causes the effects of gravity to be felt.
I don't think so, the rotation of our planet is irrelevent, a mass has gravity regardless of movement.
 

Epitome

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It has a gravity
Cargando said:
Epitome said:
Cargando said:
Centrifugal force spins objects [i/]outwards[/i] not inwards. Also the Strong Nuclear force only applies on an atomic level.
Apologoes you are correct its been a while since i studied my ohysics, but im relatively sure its teh rotational force of teh earth that causes the effects of gravity to be felt.

I don't think so, the rotation of our planet is irrelevent, a mass has gravity regardless of movement.
Again your right, i just found my textbooks in a an effort to find out. Its the relevant size between two masses and their centre of gravitys that causes teh attraction , teh spinning i was thinking of is a centripdal force acting in opposition to gravity which is why the force of gravity is slightly less than if we were a motionless planet.
 

Cargando

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Epitome said:
It has a gravity
Cargando said:
Epitome said:
Cargando said:
Centrifugal force spins objects [i/]outwards[/i] not inwards. Also the Strong Nuclear force only applies on an atomic level.
Apologoes you are correct its been a while since i studied my ohysics, but im relatively sure its teh rotational force of teh earth that causes the effects of gravity to be felt.

I don't think so, the rotation of our planet is irrelevent, a mass has gravity regardless of movement.
Again your right, i just found my textbooks in a an effort to find out. Its the relevant size between two masses and their centre of gravitys that causes teh attraction , teh spinning i was thinking of is a centripdal force acting in opposition to gravity which is why the force of gravity is slightly less than if we were a motionless planet.
Elementary... physics my dear Watson.
 

Abedeus

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Epitome said:
Abedeus said:
I think the bigger issue is - how to calculate where in the time you want to travel so that you don't fall into an ocean or travel to the outer space?

Because Time Travel is usually just changing 02.09.09 to 06.06.06. And let's not forget that in 3 months, Earth changes its position in the universe. So if you are traveling from XYZ on one day to XYZ on the other day, it's the same point, but if the planet itself moved... You either end up in a completely different country, outside of Earth's orbit or inside of the planet itself.

THIS! is the true problem.
hmm so for effective time travel one woul dhav eto be able to generate a wormhole of known distance and time distortion and calculate to a very sharp degree where te earth will be when you are arriving... hard
Yeeep. Even 2 meters difference is major, it's broken legs or buried alive in concrete.
 

Terror_666

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Epitome said:
Abedeus said:
I think the bigger issue is - how to calculate where in the time you want to travel so that you don't fall into an ocean or travel to the outer space?

Because Time Travel is usually just changing 02.09.09 to 06.06.06. And let's not forget that in 3 months, Earth changes its position in the universe. So if you are traveling from XYZ on one day to XYZ on the other day, it's the same point, but if the planet itself moved... You either end up in a completely different country, outside of Earth's orbit or inside of the planet itself.

THIS! is the true problem.
hmm so for effective time travel one woul dhav eto be able to generate a wormhole of known distance and time distortion and calculate to a very sharp degree where te earth will be when you are arriving... hard
as is my understanding what you are saying is correct but the wormhole method is only necessary for traveling back in time. Forward time travel can be achieved through relativistic effects, meaning: go really fast. according to relativity if your speed begins to approach the speed of light, time will pas more slowly for you then for others.