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[Komo News] UW professor aims to make time travel a reality - Page 2

post #11 of 133
10/29/12 at 12:16pm
This is very interesting indeed, I love discussions on QM, GR and time travel.
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post #12 of 133
10/29/12 at 12:33pm
If you create a computer system and a circle of entangle protons that the computer can link one to another in less than 50 miliseconds you could essetially send a message to the point this machine was made. But the second you do youd have a billion messagaes instantly if rules are not put into places at to when you can send these messages to. A computer would be able to sort them and stop them from entering the stream again.
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post #13 of 133
10/29/12 at 12:38pm
Time travel will not exist in my life time...if it did...there are soooooo many things that I would go back and erase. Like the Nyan cat video...LOL
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post #14 of 133
10/29/12 at 12:41pm
if you say that
Quote:
: If you took a pair of photons created at the same time and altered one of those photons, in theory the other photon would be altered instantly -- even if it was separated by an entire galaxy.

How do you get two particles entangled in the first place? he mentions they are created at the same time but that means it would be created in the same PLACE!? so how would you get these particles as far out as a Million light year away?

p.s now I am thinking only way to make this happen would through a chain reaction between particles through a "very long distance" lasers perhaps?
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post #15 of 133
10/29/12 at 12:42pm
Quote:
Originally Posted by kppanic View Post

I had read somewhere (or imagined LOL) that this "spooky action at distance" happens due to multiverse.
Once two particles become entangled, they are entangled forever and lets say one particle is a billion-light years away.
If that particle gains a new information (charge, spin, etc) the other entangled particle HAS to take the same property. How does this information get relayed? It should happen one billion year afterwards but instead it's instantaneous. This is when multiverse theory comes into play.
When you observe this one particle one billion light year away, in essense in our "alternate" universe(s) these particles are already "entangled" and we simply "flip" onto this new universe with the two particles with the said spin and charge. Because time is considered as one of our 4-dimension, and string theory takes us into 10 (maybe 11) dimensions, through Calaubi-Yau manifolds we can "bend" this 4-dimension like we can bend a 2D object through 3D to make a "wormhole", this information or this new, "alternate" universe, rather is warped into ours.
It's like as though we have two particles with every single spin and charge and whatnot in all multiverse and once we decide to observe one particle a certain way, that ONE multiverse with the said property warps into ours. This explains the "instantaneous" information travel because there's really no "light" that travels to relay this information.

But what if we are actually removing a dimension and dropping 2d time into a 1d point. Instant as all time is the same time.
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post #16 of 133
10/29/12 at 12:43pm
Quote:
Originally Posted by doomlord52 View Post

This isn't exactly time travel. All your doing is compensating for the time light takes to travel a distance. Technically speaking it will still be Causation -> Reaction. When someone definitively creates a Reaction -> Causation situation that ISN'T simply compensating for light's travel time, THEN we'll have a form of backwards time travel. However, if that was possible it's very likely the universe (or the time-machine) would already have been destroyed due to a feedback loop.
Quote:
Originally Posted by lordikon View Post

What I want to know is WHY "spooky action at a distance" works, and how. I understand that it does seem to work, but I want to understand the physics behind it. When one photon a galaxy away changes, how does it instantly tell the other to change as well? Understanding this and being able to control it (or at least harness it), would be a giant leap in physics for mankind.

It's called quantum entanglement. It's an incredibly strange form of quantum physics that essentially ties two (or more) particles together, where if you do one thing to one (change spin, etc.) it also applies to the other. I don't really have a full understanding of it, but that appears to be the basics of it.

Sure, I understand quantum entanglement, or at least the theory behind it, what I'm wondering is under what process does entanglement itself operate? How is it that two entangled particles communicate over a vast distance? Obviously something connects them, but how?
Quote:
Originally Posted by kppanic View Post

I had read somewhere (or imagined LOL) that this "spooky action at distance" happens due to multiverse.

Once two particles become entangled, they are entangled forever and lets say one particle is a billion-light years away.

If that particle gains a new information (charge, spin, etc) the other entangled particle HAS to take the same property. How does this information get relayed? It should happen one billion year afterwards but instead it's instantaneous. This is when multiverse theory comes into play.

When you observe this one particle one billion light year away, in essense in our "alternate" universe(s) these particles are already "entangled" and we simply "flip" onto this new universe with the two particles with the said spin and charge. Because time is considered as one of our 4-dimension, and string theory takes us into 10 (maybe 11) dimensions, through Calaubi-Yau manifolds we can "bend" this 4-dimension like we can bend a 2D object through 3D to make a "wormhole", this information or this new, "alternate" universe, rather is warped into ours.

It's like as though we have two particles with every single spin and charge and whatnot in all multiverse and once we decide to observe one particle a certain way, that ONE multiverse with the said property warps into ours. This explains the "instantaneous" information travel because there's really no "light" that travels to relay this information.
Quote:
Originally Posted by doomlord52 View Post

This isn't exactly time travel. All your doing is compensating for the time light takes to travel a distance. Technically speaking it will still be Causation -> Reaction. When someone definitively creates a Reaction -> Causation situation that ISN'T simply compensating for light's travel time, THEN we'll have a form of backwards time travel. However, if that was possible it's very likely the universe (or the time-machine) would already have been destroyed due to a feedback loop.
It's called quantum entanglement. It's an incredibly strange form of quantum physics that essentially ties two (or more) particles together, where if you do one thing to one (change spin, etc.) it also applies to the other. I don't really have a full understanding of it, but that appears to be the basics of it.

This is the information I was seeking. Obviously this is just one theory, but it's attempting to theorize how the entanglement itself works, which is what I'm curious about. +rep
Quote:
Originally Posted by Vagrant Storm View Post

Time travel will not exist in my life time...if it did...there are soooooo many things that I would go back and erase. Like the Nyan cat video...LOL

I wouldn't dare mess with the past, if it were possible. There's no way to know what you could unintentionally effect. My luck I'd stop 9/11 and come back to the present and the U.S. will have been nuked by China or something. Anything could happen.
Edited by lordikon - 10/29/12 at 12:48pm
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post #17 of 133
10/29/12 at 12:53pm
Quote:
Originally Posted by lordikon View Post

Sure, I understand quantum entanglement, or at least the theory behind it, what I'm wondering is under what process does entanglement itself operate? How is it that two entangled particles communicate over a vast distance? Obviously something connects them, but how?
This is the information I was seeking. Obviously this is just one theory, but it's attempting to theorize how the entanglement itself works, which is what I'm curious about. +rep
I wouldn't dare mess with the past, if it were possible. There's no way to know what you could unintentionally effect. My luck I'd stop 9/11 and come back to the present and the U.S. will have been nuked by China or something. Anything could happen.

You could also look into String Theory... there's a ton of theories behind how everything functions or exists, so it's really hard to say since all are about equally plausible since they exist in the realm of theory. I'd still like to believe it's somewhere in between all of them and we're just getting bits and pieces of the truth here and there.

Maybe... we are actually in a dual-universe something akin to described in "Tales from a Parallel Universe", more commonly known as "Lexx" the tv series. It's not really that out there to reference sci-fi, since anymore, science fiction is becoming science fact with a little trial and error, and effort.
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post #18 of 133
10/29/12 at 1:15pm
Our concept of distance simply doesn't have any consequence to the actual universe we are barely able to perceive...

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post #19 of 133
10/29/12 at 2:26pm
Time travel discussions are always interesting, but I think we can take two things for granted:

1. A message being received before it's completed is already possible. We do it everyday, be it in normal human to human communication, where we already know what the other person is going to say, or when we are typing an sms and the phone already knows what word we want even before it's fully typed. With further advancements in processing power and AI routines, the phone can even sense context, relate our message to the previous one, tie it together with our way of writing and thinking and basically have a high accuracy in predicting the whole message. Not exactly 100% correct all the time, but it would enable a message to be sent even before it's written.

2. Time travel is impossible in a universe. If time travel was possible, then somebody in the future would have already broken security protocols, traveled back in time and messed things up. It's just too tempting not to do it. The only possibility is time travel in paralel universes, where we can travel back to a "photocopy" of our past and change things, but they won't reflect themselves in our universe.
Edited by tpi2007 - 10/29/12 at 2:30pm
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post #20 of 133
10/29/12 at 2:57pm
Thread Starter 
Quote:
Originally Posted by tpi2007 View Post

Time travel discussions are always interesting, but I think we can take two things for granted:
1. A message being received before it's completed is already possible. We do it everyday, be it in normal human to human communication, where we already know what the other person is going to say, or when we are typing an sms and the phone already knows what word we want even before it's fully typed. With further advancements in processing power and AI routines, the phone can even sense context, relate our message to the previous one, tie it together with our way of writing and thinking and basically have a high accuracy in predicting the whole message. Not exactly 100% correct all the time, but it would enable a message to be sent even before it's written.

Cosmic intuition?? biggrin.gif

People / software that predict words people say in a converstation or type on SMS is based on intuition, context and a number of other factors.

That's an interesting idea. How do you quantify something like that Cosmically (wrong term)? I'm too stupid for this conversation, but fascinated none the less.
Edited by LancerVI - 10/29/12 at 3:00pm
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