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Steven Woodcock
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Quite cool:

http://www.sciencealert.com/quantum-teleportation-was-just-a...
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Me nah play no 'ide and seek
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I thought about beating you to posting this when I saw it on slashdot this morning
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Mac Mcleod
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Could quantum teleportation be used to synchronize events over very large distances (in theory?)

I.e. you have two spaceships a light year a part and they use quantum teleportation to start moving at the same time.
 
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Brian M
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maxo-texas wrote:
Could quantum teleportation be used to synchronize events over very large distances (in theory?)

I.e. you have two spaceships a light year a part and they use quantum teleportation to start moving at the same time.


Not as far as I understand.

The rough computer science analogy is that if you set A = B, then no matter how far away A and B are when you look at them, A still equals B.

As the article says, it isn't actually "teleportation", but it does have some very interesting cryptography/encoding potential.
 
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J
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maxo-texas wrote:
Could quantum teleportation be used to synchronize events over very large distances (in theory?)

I.e. you have two spaceships a light year a part and they use quantum teleportation to start moving at the same time.

you can't send information faster than light.
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Born To Lose, Live To Win
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jmilum wrote:
you can't send information faster than light.
This is where the "teleportation" angle loses me. According to the explanation at the link for Quantum Entanglement, the state/configuration change should be instantaneous over any distance for the two particles. Why does there need to be a light medium between them? Why are photons part of the equation?
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J
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TheChin! wrote:
jmilum wrote:
you can't send information faster than light.
This is where the "teleportation" angle loses me. According to the explanation at the link for Quantum Entanglement, the state/configuration change should be instantaneous over any distance for the two particles. Why does there need to be a light medium between them? Why are photons part of the equation?

there needs to be a "classical communication" element involved for information to be sent, doesn't necessarily need to be photons, but those would be the fastest (pigeons could be used)
 
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Tom McVey
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Ferretman wrote:


Hey, let's give kudos to Sfox and Ferret. They post interesting material, rather than warmed-over campaign releases or the outrage du jour, and you'll occasionally be surprised by their positions on issues.
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Born To Lose, Live To Win
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jmilum wrote:
there needs to be a "classical communication" element involved for information to be sent, doesn't necessarily need to be photons, but those would be the fastest (pigeons could be used)
OK, I think understand now, the "state" of the particles are used as the encryption key and that is what is securely "teleported" independent of the medium. The actual information that is wanted to be transmitted is encrypted using that key and transmitted across fiber.
 
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Robert Wesley
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maxo-texas wrote:
Could quantum teleportation be used to synchronize events over very large distances (in theory?)

I.e. you have two spaceships a light year a part and they use quantum teleportation to start moving at the same time.
jmilum wrote:
you can't send information faster than light.
cool "Braille" 'works' EVEN in 'dark'! "Morsel Code", with the 'admonishment' of: "JUST for Blind Kids!",eh? whistle
 
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rico mcflico
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tmcvey wrote:
and you'll occasionally be surprised by their positions on issues.

We can't know Ferret's position on any issue because we already know he moves at the Speed of Wrong.
 
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Trey Chambers
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I'm NOT getting into any teleporter. I'll take the shuttle.
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Born To Lose, Live To Win
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Shampoo4you wrote:
I'm NOT getting into any teleporter. I'll take the shuttle.
Not Alpha enough to survive in the mirror universe? Whimp.
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Robert Wesley
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Shampoo4you wrote:
I'm NOT getting into any teleporter. I'll take the shuttle.
TheChin! wrote:
Not Alpha enough to survive in the mirror universe? Whimp.
wow "Talking" SMAC here, we gots "Space Elevator", with soonish; "Space Escalator", "Space Dumbwaiter", hell, why not "Space Rope" for the heartier folk!
robot~"Terribly Crowded SPACE, No Secret!"
 
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Trey Chambers
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TheChin! wrote:
Shampoo4you wrote:
I'm NOT getting into any teleporter. I'll take the shuttle.
Not Alpha enough to survive in the mirror universe? Whimp.


When you get teleported, you die. Undeniably so.
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Brian M
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Shampoo4you wrote:
TheChin! wrote:
Shampoo4you wrote:
I'm NOT getting into any teleporter. I'll take the shuttle.
Not Alpha enough to survive in the mirror universe? Whimp.


When you get teleported, you die. Undeniably so.

Hey now, that depends on the teleporter. 40K teleports just send you through the warp to your destination.

So assuming you don't get torn apart by horrific monstrosities along the way, or driven mad, or afflicted with some kind of psychic parasite that will slowly eat your brain, you teleport without dying just fine!
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Born To Lose, Live To Win
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Shampoo4you wrote:
When you get teleported, you die. Undeniably so.
I deny it! What about teleportation where space is folded from point A to B and then back with you staying at point B instead of A?
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Trey Chambers
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TheChin! wrote:
Shampoo4you wrote:
When you get teleported, you die. Undeniably so.
I deny it! What about teleportation where space is folded from point A to B and then back with you staying at point B instead of A?


We're talking about the traditional scatter and reassemble method. Not some wormhole, folding space, sci-fi mumbo jumbo.
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Born To Lose, Live To Win
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Shampoo4you wrote:
We're talking about the traditional scatter and reassemble method. Not some wormhole, folding space, sci-fi mumbo jumbo.
Oh yeah, the kind that our grandparents used to have to do to school everyday.
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Trey Chambers
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TheChin! wrote:
Shampoo4you wrote:
We're talking about the traditional scatter and reassemble method. Not some wormhole, folding space, sci-fi mumbo jumbo.
Oh yeah, the kind that our grandparents used to have to do to school everyday.


Precisely.
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Walt
United States
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jmilum wrote:
there needs to be a "classical communication" element involved for information to be sent, doesn't necessarily need to be photons, but those would be the fastest (pigeons could be used)

Quantum pigeons. Hm....
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Robert Wesley
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jmilum wrote:
there needs to be a "classical communication" element involved for information to be sent, doesn't necessarily need to be photons, but those would be the fastest (pigeons could be used)
Tall_Walt wrote:

Quantum pigeons. Hm....
"Thought-Carrier Pigeons" were 'instantaneous' and you even 'imagined' THIS as so, just now 'Homings'! \sauron/ ~"I'ma 'ribaldeagle'!"
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Born To Lose, Live To Win
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Tall_Walt wrote:
jmilum wrote:
there needs to be a "classical communication" element involved for information to be sent, doesn't necessarily need to be photons, but those would be the fastest (pigeons could be used)

Quantum pigeons. Hm....
Actually George Lucas's first choice as a name for Han's ship. Cooler heads prevailed.
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Walt
United States
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In memorium. Bob Hoover died 25 Oct 2016 at 94. In WWII he was shot down in a Spitfire and stole an FW-190 to escape. He spent decades at air shows flying Ole Yeller, shown
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Please contact me about board gaming in Orange County.
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TheChin! wrote:
Tall_Walt wrote:
Quantum pigeons. Hm....
Actually George Lucas's first choice as a name for Han's ship. Cooler heads prevailed.

LOL! It would be a great name for a ship in the Hitchhiker's Guide to the Galaxy universe.
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Robert Wesley
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jmilum wrote:
there needs to be a "classical communication" element involved for information to be sent, doesn't necessarily need to be photons, but those would be the fastest (pigeons could be used)
Tall_Walt wrote:
Quantum pigeons. Hm....
TheChin! wrote:
Actually George Lucas's first choice as a name for Han's ship. Cooler heads prevailed.
"Malicious Mallard" just didn't quite *Quark*. >sauron ~"Donald--Duck of Death!"
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