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Old April 16th, 2010, 01:52 AM
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Default Quantum Entanglement

Okay, so according to the theory of no communication, quantum entanglement cannot be used to communicate information from source to receiver. Instead, it seems that information at a single place can be viewed simultaneously over any distance.

So, then if a quantum internet existed, does that mean that websites could be viewed by all, but that email and message boards (such as this site) would be impossible, or at least, still limited to c? If so, would it be possible to jump outside of a solar system and link up to the local quantum internet to view, say, a planet's or station's website? Would a quantum internet even be possible? If so, would it require a quantum computer?

Similarly, why wouldn't it be possible to commuicate via quantum entanglement through the use of a 'quantum morse code' that utilizes a system of alternating spins on entangled atoms?

Anyone out there able to clarify this for me?
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Old April 16th, 2010, 03:34 AM
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Originally Posted by howardfanatic View Post
Similarly, why wouldn't it be possible to commuicate via quantum entanglement through the use of a 'quantum morse code' that utilizes a system of alternating spins on entangled atoms?

Anyone out there able to clarify this for me?
Clarify it? I have trouble understanding some of the concepts.

Last I had heard, scientists don't know if it's limited to c, but see it as more of an instantaneous. Possibly with an underlying transmission particle (the so-called God particle).

If you are going to go to the trouble of 'quantum morse code', using binary would be a much easier way of communicating. Then it works just like your computer does.
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Old April 16th, 2010, 11:41 AM
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It's weird, but fascinating.
You're right about the binary, of course. That's what I get for posting half asleep. They already think a binary system (spin left, spin right) would be possible.
I just wonder: if the observers can all look at the same thing simultaneoulsy, why can't a "controller" be at that that thing, manipulating it, creating communication. A quantum switchboard, sort of.
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Old April 16th, 2010, 04:19 PM
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It's weird, but fascinating.
You're right about the binary, of course. That's what I get for posting half asleep. They already think a binary system (spin left, spin right) would be possible.
I just wonder: if the observers can all look at the same thing simultaneoulsy, why can't a "controller" be at that that thing, manipulating it, creating communication. A quantum switchboard, sort of.
Whole principle is that used in the ansible of OS Card's Enderverse...
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Old April 17th, 2010, 01:32 PM
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Quote:
Originally Posted by Spinward Scout View Post
Clarify it? I have trouble understanding some of the concepts.

Last I had heard, scientists don't know if it's limited to c, but see it as more of an instantaneous. Possibly with an underlying transmission particle (the so-called God particle).

If you are going to go to the trouble of 'quantum morse code', using binary would be a much easier way of communicating. Then it works just like your computer does.
For my money it happens faster than c. I also beleive that "faster than c" is not the best way to put it. Rather, the theoretical structure and thinking around relativity is just not suited to the quantum world. The results seem impossible because we are trying to fit them into concepts that don't apply. One way to say relativity only explains a part of the laws of nature.

I base my views on this experiment

http://arxiv.org/PS_cache/arxiv/pdf/...803.2425v1.pdf

which of course doesn't seal it but.
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Old April 17th, 2010, 02:21 PM
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I'd put my money on it being transmitted at a rate considerable higher than C, but not instant. Keep in mind that the distances at which they've measured twinning effects are under 100m, so 3.3E-7 Sec... and at that range, the transmission was essentially instant.
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Old April 17th, 2010, 03:27 PM
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I've thought the exact thing, Aramis.
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