How do we know that time travellers aren't amongst us, watching us:?
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What does that have to do with time travel?Mass cannot be created or destroyed, that's why not.
Legendaryscmt
[QUOTE="Legendaryscmt"]What does that have to do with time travel?Mass cannot be created or destroyed, that's why not.
AngelofDeath213
You'd be creating mass by traveling back in time where that mass did not exist, and you'd be taking out mass from the time period where it exists.
What does that have to do with time travel?[QUOTE="AngelofDeath213"][QUOTE="Legendaryscmt"]
Mass cannot be created or destroyed, that's why not.
Legendaryscmt
You'd be creating mass by traveling back in time where that mass did not exist, and you'd be taking out mass from the time period where it exists.
What is the reasoning behind this?What does that have to do with time travel?[QUOTE="AngelofDeath213"][QUOTE="Legendaryscmt"]
Mass cannot be created or destroyed, that's why not.
Legendaryscmt
You'd be creating mass by traveling back in time where that mass did not exist, and you'd be taking out mass from the time period where it exists.
No, you would be moving it from one location in space/time to another.What does that have to do with time travel?[QUOTE="AngelofDeath213"][QUOTE="Legendaryscmt"]
Mass cannot be created or destroyed, that's why not.
Legendaryscmt
You'd be creating mass by traveling back in time where that mass did not exist, and you'd be taking out mass from the time period where it exists.
But what is time? To some travelling through time may be just like walking to the corner store. Mass would neither be created or detroyed. Instead it would merely be travelling through a dimension that we, as three dimensional creatures, can only travel in one direction. Basically what I'm saying is that perhaos that law that mass can neither be created or destroyed works in dimensions that we are not aware of. Heck even quantum physics has energy (a form of matter) suddenly being created out of nothing.we don't know. i don't think there are any right now. we don't even have flying cars right now. i think that once flying cars are made there will be time travel. xscott1018
You think generically. You are completely missing the point.
[QUOTE="xscott1018"]we don't know. i don't think there are any right now. we don't even have flying cars right now. i think that once flying cars are made there will be time travel. gamedude2020
You think generically. You are completely missing the point.
Not really. Current theory is that one can only time travel back to the point the time travel machine was originally built. Meaning since we haven't built any time travel machines yet there would be no time travelers.[QUOTE="gamedude2020"]
[QUOTE="xscott1018"]we don't know. i don't think there are any right now. we don't even have flying cars right now. i think that once flying cars are made there will be time travel. BumFluff122
You think generically. You are completely missing the point.
Not really. Current theory is that one can only time travel back to the point the time travel machine was originally built. Meaning since we haven't built any time travel machines yet there would be no time travelers. Why?Ask the physicists who came up with the theory. Unfortunatly I don't happen to know any, where did you heard that and how come they didn't give an explanation?[QUOTE="ZuluEcho14"] Why?BumFluff122
[QUOTE="BumFluff122"]Not really. Current theory is that one can only time travel back to the point the time travel machine was originally built. Meaning since we haven't built any time travel machines yet there would be no time travelers. Why?Look here at the bottom of 'Non physics based experiments'[QUOTE="gamedude2020"]
You think generically. You are completely missing the point.
ZuluEcho14
Matter cannot be created or destroyedMass cannot be created or destroyed, that's why not.
Legendaryscmt
What does that have to do with time travel?[QUOTE="AngelofDeath213"][QUOTE="Legendaryscmt"]
Mass cannot be created or destroyed, that's why not.
Legendaryscmt
You'd be creating mass by traveling back in time where that mass did not exist, and you'd be taking out mass from the time period where it exists.
It'd be possible if there was a wormhole or a portal.[QUOTE="Legendaryscmt"]Matter cannot be created or destroyed neither can energy. Since energy is just another form of matter only in a different form.Mass cannot be created or destroyed, that's why not.
ManifestoJoe
Look here at the bottom of 'Non physics based experiments'
BumFluff122
I found this a little awkward:
Several experiments have been carried out to try to entice future humans, who might invent time travel technology, to come back and demonstrate it to people of the present time. Events such as Perth's Destination Day (2005) or MIT's Time Traveler Convention heavily publicized permanent "advertisements" of a meeting time and place for future time travelers to meet. Back in 1982, a group in Baltimore, MD., identifying itself as the Krononauts, hosted an event of this type welcoming Visitors from the Futures. These experiments only stood the possibility of generating a positive result demonstrating the existence of time travel, but have failed. So far no time travelers are known to have attended either event.
Did they really think time travelers would come to these events? What did they do, stand around and wait for them to appear, or if someone would come up to them and claim to be a time traveler? That would be amazing, but still a little odd that some believe in time travel that much.
[QUOTE="BumFluff122"]
Look here at the bottom of 'Non physics based experiments'
dog64
I found this a little awkward:
Several experiments have been carried out to try to entice future humans, who might invent time travel technology, to come back and demonstrate it to people of the present time. Events such as Perth's Destination Day (2005) or MIT's Time Traveler Convention heavily publicized permanent "advertisements" of a meeting time and place for future time travelers to meet. Back in 1982, a group in Baltimore, MD., identifying itself as the Krononauts, hosted an event of this type welcoming Visitors from the Futures. These experiments only stood the possibility of generating a positive result demonstrating the existence of time travel, but have failed. So far no time travelers are known to have attended either event.
Did they really think time travelers would come to these events? What did they do, stand around and wait for them to appear, or if someone would come up to them and claim to be a time traveler? That would be amazing, but still a little odd that some believe in time travel that much.
[QUOTE="dog64"]
[QUOTE="BumFluff122"]
Look here at the bottom of 'Non physics based experiments'
BumFluff122
I found this a little awkward:
Several experiments have been carried out to try to entice future humans, who might invent time travel technology, to come back and demonstrate it to people of the present time. Events such as Perth's Destination Day (2005) or MIT's Time Traveler Convention heavily publicized permanent "advertisements" of a meeting time and place for future time travelers to meet. Back in 1982, a group in Baltimore, MD., identifying itself as the Krononauts, hosted an event of this type welcoming Visitors from the Futures. These experiments only stood the possibility of generating a positive result demonstrating the existence of time travel, but have failed. So far no time travelers are known to have attended either event.
Did they really think time travelers would come to these events? What did they do, stand around and wait for them to appear, or if someone would come up to them and claim to be a time traveler? That would be amazing, but still a little odd that some believe in time travel that much.
As much as I would like it to, I don't think time travel is possible at all. At least not in what we would call time travel. I don't believe time exists as a physical object, something that we can change or travel through.
However I think there has been evidence that time does have different speeds. I read somewhere that time goes at a different speed if you're in outerspace or on another planet and if you would stay there long enough you would age at a different rate. I also read that time slows down if you are in a rocket or space shuttle. But I don't think this is evidence or something that would indicate time travel.
Time does have different speeds. It was one of Einsteins greatest discoveries (in my opinion). Do you know what a cesium clock is? IT is the most accurate clock in the universe that we know of and is related to the decay of a cesium atom. A cesium clock on Earth and a cesium clock in space travel at different speeds. Astronomers and Physicsts have to adjust the calculations on satellites so they speed at which time travels on those satelites is the same as the speed at which time travels on Earth. There are real world examples of this. And that is exactly what I stated in my posibility of time travel only being in one direction.As much as I would like it to, I don't think time travel is possible at all. At least not in what we would call time travel. I don't believe time exists as a physical object, something that we can change or travel through.
However I think there has been evidence that time does have different speeds. I read somewhere that time goes at a different speed if you're in outerspace or on another planet and if you would stay there long enough you would age at a different rate. I also read that time slows down if you are in a rocket or space shuttle. But I don't think this is evidence or something that would indicate time travel.
dog64
Time does have different speeds. It was one of Einsteins greatest discoveries (in my opinion). Do you know what a cesium clock is? IT is the most accurate clock in the universe that we know of and is related to the decay of a cesium atom. A cesium clock on Earth and a cesium clock in space travel at different speeds. Astronomers and Physicsts have to adjust the calculations on satellites so they speed at which time travels on those satelites is the same as the speed at which time travels on Earth. There are real world examples of this. And that is exactly what I stated in my posibility of time travel only being in one direction.[QUOTE="dog64"]
As much as I would like it to, I don't think time travel is possible at all. At least not in what we would call time travel. I don't believe time exists as a physical object, something that we can change or travel through.
However I think there has been evidence that time does have different speeds. I read somewhere that time goes at a different speed if you're in outerspace or on another planet and if you would stay there long enough you would age at a different rate. I also read that time slows down if you are in a rocket or space shuttle. But I don't think this is evidence or something that would indicate time travel.
BumFluff122
What would be interesting is if someone were to record the various conditions in such a place where time does travel at a different speed, and try to match those conditions here on earth. If that is possible, you could in a sense time travel into the near future I suppose. It probably wouldn't be a big jump into the future though, probably by seconds or minutes.
Try more along the lines of thousandsth of a second. Time travel occurs with supersonic planes but it is nowhere near the time travel that would occur if we had somethign that could go anywhere near the speed of light.What would be interesting is if someone were to record the various conditions in such a place where time does travel at a different speed, and try to match those conditions here on earth. If that is possible, you could in a sense time travel into the near future I suppose. It probably wouldn't be a big jump into the future though, probably by seconds or minutes.
dog64
IT isn't really time travel though. All it is is increasing mass. When you move faster your mass increases as it does when you get in the gravitational pull of a large object.
I heard that theory too. That in order for us to go back into time we'd have to have created a machine and we would only be able to go back to when we first made the machine, BUT when I was watching the History channel some physicist guy(I forgot his name, but he was Black) claimed he created a thing which would allow us to go back in time. I think he claimed he created that portal which would allow us to travel back when we had the technology to do so. I'm having trouble putting my thought into words, but for example he said as long as his device is turned on we in the future would be able to go back to that time frame, but it's not exactly a time travel device atleast not yet. Also I think he said they have experimented with it trying to send certain particles and stuff back in time or something.
Try more along the lines of thousandsth of a second. Time travel occurs with supersonic planes but it is nowhere near the time travel that would occur if we had somethign that could go anywhere near the speed of light.[QUOTE="dog64"]
What would be interesting is if someone were to record the various conditions in such a place where time does travel at a different speed, and try to match those conditions here on earth. If that is possible, you could in a sense time travel into the near future I suppose. It probably wouldn't be a big jump into the future though, probably by seconds or minutes.
BumFluff122
IT isn't really time travel though. All it is is increasing mass. When you move faster your mass increases as it does when you get in the gravitational pull of a large object.
Thousandsth? Then you can scrap the idea :P
Naturally when we think of time travel, we thing of traveling back to the year 1955 or ahead to 2015. I don't see time travel ever being possible in that way, I don't see how it would be possible considering everything we know so far.
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