Scientists teleport photons over 97 km.

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FMAB_GTO

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#1 FMAB_GTO
Member since 2010 • 14385 Posts
Chinese physicists have managed to teleport photons over 97km using quantum entanglement. The achievement is a significant step towards an ultra-secure communication system that would be immune to eavesdropping. The team had achieved success before in 2010 when they managed to teleport a photon 16km. "The successful quantum teleportation over such channel losses in combination with our high-frequency and high-accuracy [aiming] technique show the feasibility of satellite-based ultra-long-distance quantum teleportation," said Juan Yin at the University of Science and Technology in Shanghai. clicky
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MrPraline

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#2 MrPraline
Member since 2008 • 21351 Posts
I don't understand physics at all, or know what a photon is, BUT: >communication system that would be immune to eavesdropping. T sounds nice.
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deactivated-6016f3a1e8420

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#3 deactivated-6016f3a1e8420
Member since 2005 • 112042 Posts
I'd tap that
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Shottayouth13-

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#4 Shottayouth13-
Member since 2009 • 7018 Posts
Instant transmission from country to country?
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BluRayHiDef

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#5 BluRayHiDef
Member since 2009 • 10839 Posts

Can this somehow be advanced in order to make instant transportation of Humans possible?

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Zaibach

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#6 Zaibach
Member since 2007 • 13466 Posts

Teleportation?

I am listening

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DJ419

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#7 DJ419
Member since 2005 • 1016 Posts

Let me know when they can teleport molecules.

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branketra

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#8 branketra
Member since 2006 • 51726 Posts
To be honest, I don't know much about quantum entanglement, but it sounds interesting, to say the least. I wonder what they plan on using it for once they complete working on it.
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FMAB_GTO

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#9 FMAB_GTO
Member since 2010 • 14385 Posts
Can this somehow be advanced in order to make instant transportation of Humans possible?BluRayHiDef
[QUOTE="sepulchrave from UM"]Briefly, quantum teleportation refers to the process of: Destroying an object at position A, In the process, encoding all the information about that object on to some carrier wave, Sending the carrier wave to position B, Destroying the carrier wave but in the process constructing a new object identical to the original one. So they don't really teleport a photon, they simply teleport the information and ``write'' that information on a new photon. As and then mentions, since a photon is a quanta of light this does not seem that remarkable. The key thing (as mentioned in some of the comments in linked story) is information security; this sort of thing is one approach to quantum encryption. But ultimately it is just a bit of a parlour trick; to quantum teleport something you need the original object to exist in a coherent quantum state and to be able to entangle that state with a carrier wave. For photons, single electrons, etc. this is doable. For a buckyball (C60) this is probably possible at extremely low temperatures. For a single virus or microbe, it could well be impossible. For an actual macroscopic object it is almost certainly impossible, unless the object is practically at 0 K in a complete vacuum in flat space.

I don't understand any of this btw >.>
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#10 BluRayHiDef
Member since 2009 • 10839 Posts

Briefly, quantum teleportation refers to the process of: Destroying an object at position A, In the process, encoding all the information about that object on to some carrier wave, Sending the carrier wave to position B, Destroying the carrier wave but in the process constructing a new object identical to the original one. So they don't really teleport a photon, they simply teleport the information and ``write'' that information on a new photon. As and then mentions, since a photon is a quanta of light this does not seem that remarkable. The key thing (as mentioned in some of the comments in linked story) is information security; this sort of thing is one approach to quantum encryption. But ultimately it is just a bit of a parlour trick; to quantum teleport something you need the original object to exist in a coherent quantum state and to be able to entangle that state with a carrier wave. For photons, single electrons, etc. this is doable. For a buckyball (C60) this is probably possible at extremely low temperatures. For a single virus or microbe, it could well be impossible. For an actual macroscopic object it is almost certainly impossible, unless the object is practically at 0 K in a complete vacuum in flat space. sepulchrave from UM

Well, I guess that this can't or shouldn't be used to transport Humans because it would entail destroying the original Human and merely transporting a copy/ clone. Not cool.

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deactivated-5e97585ea928c

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#11 deactivated-5e97585ea928c
Member since 2006 • 8521 Posts
So.. 1TB internet connections soon?
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#12 branketra
Member since 2006 • 51726 Posts

[QUOTE="sepulchrave from UM"]Briefly, quantum teleportation refers to the process of: Destroying an object at position A, In the process, encoding all the information about that object on to some carrier wave, Sending the carrier wave to position B, Destroying the carrier wave but in the process constructing a new object identical to the original one. So they don't really teleport a photon, they simply teleport the information and ``write'' that information on a new photon. As and then mentions, since a photon is a quanta of light this does not seem that remarkable. The key thing (as mentioned in some of the comments in linked story) is information security; this sort of thing is one approach to quantum encryption. But ultimately it is just a bit of a parlour trick; to quantum teleport something you need the original object to exist in a coherent quantum state and to be able to entangle that state with a carrier wave. For photons, single electrons, etc. this is doable. For a buckyball (C60) this is probably possible at extremely low temperatures. For a single virus or microbe, it could well be impossible. For an actual macroscopic object it is almost certainly impossible, unless the object is practically at 0 K in a complete vacuum in flat space. BluRayHiDef

Well, I guess that this can't or shouldn't be used to transport Humans because it would entail destroying the original Human and merely transporting a copy/ clone. Not cool.

Agreed. It would be good for transporting non-living materials, though.

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FMAB_GTO

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#13 FMAB_GTO
Member since 2010 • 14385 Posts
They should now work on a technology to turn humans into photons heh :P
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#14 branketra
Member since 2006 • 51726 Posts
They should now work on a technology to turn humans into photons heh :PFMAB_GTO
Sounds good as long as we can be turned back to normal.
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FMAB_GTO

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#15 FMAB_GTO
Member since 2010 • 14385 Posts
[QUOTE="FMAB_GTO"]They should now work on a technology to turn humans into photons heh :PBranKetra
Sounds good as long as we can be turned back to normal.

Plank will be happy hehe.
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#16 Guybrush_3
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[QUOTE="sepulchrave from UM"]Briefly, quantum teleportation refers to the process of: Destroying an object at position A, In the process, encoding all the information about that object on to some carrier wave, Sending the carrier wave to position B, Destroying the carrier wave but in the process constructing a new object identical to the original one. So they don't really teleport a photon, they simply teleport the information and ``write'' that information on a new photon. As and then mentions, since a photon is a quanta of light this does not seem that remarkable. The key thing (as mentioned in some of the comments in linked story) is information security; this sort of thing is one approach to quantum encryption. But ultimately it is just a bit of a parlour trick; to quantum teleport something you need the original object to exist in a coherent quantum state and to be able to entangle that state with a carrier wave. For photons, single electrons, etc. this is doable. For a buckyball (C60) this is probably possible at extremely low temperatures. For a single virus or microbe, it could well be impossible. For an actual macroscopic object it is almost certainly impossible, unless the object is practically at 0 K in a complete vacuum in flat space. BluRayHiDef

Well, I guess that this can't or shouldn't be used to transport Humans because it would entail destroying the original Human and merely transporting a copy/ clone. Not cool.

Isn't that how it works in star trek?

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SolidSnake35

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#17 SolidSnake35
Member since 2005 • 58971 Posts
Sounds like the method of communication used in Mass Effect.
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#18 branketra
Member since 2006 • 51726 Posts
[QUOTE="BranKetra"][QUOTE="FMAB_GTO"]They should now work on a technology to turn humans into photons heh :PFMAB_GTO
Sounds good as long as we can be turned back to normal.

Plank will be happy hehe.

Who is that?
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Matthew-first

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#19 Matthew-first
Member since 2005 • 3318 Posts

aaaaaAAA


As someone mentioned here...

It would turn a man into a veggie once teleported... imo.


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#20 RAGEofSTUNTS
Member since 2010 • 733 Posts
Just wait till people use this to teleport explosives to other countries......... World War III will not be fun.
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#21 branketra
Member since 2006 • 51726 Posts

[QUOTE="BluRayHiDef"]

[QUOTE="sepulchrave from UM"]Briefly, quantum teleportation refers to the process of: Destroying an object at position A, In the process, encoding all the information about that object on to some carrier wave, Sending the carrier wave to position B, Destroying the carrier wave but in the process constructing a new object identical to the original one. So they don't really teleport a photon, they simply teleport the information and ``write'' that information on a new photon. As and then mentions, since a photon is a quanta of light this does not seem that remarkable. The key thing (as mentioned in some of the comments in linked story) is information security; this sort of thing is one approach to quantum encryption. But ultimately it is just a bit of a parlour trick; to quantum teleport something you need the original object to exist in a coherent quantum state and to be able to entangle that state with a carrier wave. For photons, single electrons, etc. this is doable. For a buckyball (C60) this is probably possible at extremely low temperatures. For a single virus or microbe, it could well be impossible. For an actual macroscopic object it is almost certainly impossible, unless the object is practically at 0 K in a complete vacuum in flat space. Guybrush_3

Well, I guess that this can't or shouldn't be used to transport Humans because it would entail destroying the original Human and merely transporting a copy/ clone. Not cool.

Isn't that how it works in star trek?

There's an episode of TNG about this. In normal situations, it's transporting the original version. However, in this episode, commander Picard actually died and the last coordinates where he was alive were used to reconstruct him. I think from that point on, it was a clone...but it wasn't talked about anymore.
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FMAB_GTO

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#22 FMAB_GTO
Member since 2010 • 14385 Posts
[QUOTE="BranKetra"][QUOTE="FMAB_GTO"][QUOTE="BranKetra"] Sounds good as long as we can be turned back to normal.

Plank will be happy hehe.

Who is that?

never heard of Plank's constant?
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branketra

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#23 branketra
Member since 2006 • 51726 Posts
[QUOTE="FMAB_GTO"][QUOTE="BranKetra"][QUOTE="FMAB_GTO"] Plank will be happy hehe.

Who is that?

never heard of Plank's constant?

Yes. I thought you meant something else.
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FMAB_GTO

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#24 FMAB_GTO
Member since 2010 • 14385 Posts
[QUOTE="FMAB_GTO"][QUOTE="BranKetra"]Who is that? BranKetra
never heard of Plank's constant?

Yes. I thought you meant something else.

like? would be hilarious if your dad's name was Plank hahahahahaaaaaa sorry =/
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#25 Jazz_Fan
Member since 2008 • 29516 Posts

or know what a photon isMrPraline

traditional-japanese-futon.jpg

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#26 branketra
Member since 2006 • 51726 Posts
[QUOTE="FMAB_GTO"][QUOTE="BranKetra"][QUOTE="FMAB_GTO"] never heard of Plank's constant?

Yes. I thought you meant something else.

like? would be hilarious if your dad's name was Plank hahahahahaaaaaa sorry =/

Was that a joke? I just thought you were talking about another person. It reminded me of Spongebob Squarepants for some reason even though I don't watch that show.
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#27 TopTierHustler
Member since 2012 • 3894 Posts

Someday I hope this means no lag in Fighting games.

:'(

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FMAB_GTO

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#28 FMAB_GTO
Member since 2010 • 14385 Posts
[QUOTE="BranKetra"][QUOTE="FMAB_GTO"][QUOTE="BranKetra"] Yes. I thought you meant something else.

like? would be hilarious if your dad's name was Plank hahahahahaaaaaa sorry =/

Was that a joke? I just thought you were talking about another person. It reminded me of Spongebob Squarepants for some reason even though I don't watch that show.

naaaah,I mean the Plank with Plank's constant rofl :3
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#29 themajormayor
Member since 2011 • 25729 Posts

I don't get it. Quantum entangelement is not teleportation? Or is it?

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#30 branketra
Member since 2006 • 51726 Posts
[QUOTE="FMAB_GTO"] naaaah,I mean the Plank with Plank's constant rofl :3

I get it now.
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#31 gameguy6700
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[QUOTE="BluRayHiDef"]Can this somehow be advanced in order to make instant transportation of Humans possible?FMAB_GTO
[QUOTE="sepulchrave from UM"]Briefly, quantum teleportation refers to the process of: Destroying an object at position A, In the process, encoding all the information about that object on to some carrier wave, Sending the carrier wave to position B, Destroying the carrier wave but in the process constructing a new object identical to the original one. So they don't really teleport a photon, they simply teleport the information and ``write'' that information on a new photon. As and then mentions, since a photon is a quanta of light this does not seem that remarkable. The key thing (as mentioned in some of the comments in linked story) is information security; this sort of thing is one approach to quantum encryption. But ultimately it is just a bit of a parlour trick; to quantum teleport something you need the original object to exist in a coherent quantum state and to be able to entangle that state with a carrier wave. For photons, single electrons, etc. this is doable. For a buckyball (C60) this is probably possible at extremely low temperatures. For a single virus or microbe, it could well be impossible. For an actual macroscopic object it is almost certainly impossible, unless the object is practically at 0 K in a complete vacuum in flat space.

I don't understand any of this btw >.>

They didn't achieve actual teleportation. What they did was tantamount to taking an object, blowing it up, and then sending a letter to a place 97km away telling them how to make an identical copy of the thing that was blown up, and then upon building an identical replica of that thing they declared they had created teleportation. The rest of what you copied is saying that the process could be applied to something as large as moderately-sized molecules, but nothing bigger.
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#32 Fightingfan
Member since 2010 • 38011 Posts
I'd tap thatUltraZero
Me too.
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#33 Agent-Zero
Member since 2009 • 6198 Posts
[QUOTE="FMAB_GTO"][QUOTE="BranKetra"]Who is that? BranKetra
never heard of Plank's constant?

Yes. I thought you meant something else.

Are you sure? Because it's Planck's constant, not Plank.
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#34 MgamerBD
Member since 2006 • 17550 Posts
So when will we use this for a weapon?
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#35 Riverwolf007
Member since 2005 • 26023 Posts

quantum entanglement is the shyt.

i love the theory that since everything was created in the big bang everything in the universe is entangled with each other.

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#36 DrTrafalgarLaw
Member since 2011 • 4487 Posts
So when will we use this for a weapon?MgamerBD
Or mexicans. Too soon?
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#37 Sword-Demon
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[QUOTE="FMAB_GTO"][QUOTE="BranKetra"] Yes. I thought you meant something else.BranKetra
like? would be hilarious if your dad's name was Plank hahahahahaaaaaa sorry =/

Was that a joke? I just thought you were talking about another person. It reminded me of Spongebob Squarepants for some reason even though I don't watch that show.

maybe you were thinking of Ed Edd n Eddie?

plank.jpg

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#38 Fundai
Member since 2010 • 6120 Posts

That's awesome.

But of all countries it has to be china. :P

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#39 branketra
Member since 2006 • 51726 Posts

[QUOTE="BranKetra"][QUOTE="FMAB_GTO"] never heard of Plank's constant?Agent-Zero
Yes. I thought you meant something else.

Are you sure? Because it's Planck's constant, not Plank.

What?

I don't get what you are saying.

Edit: Oh. The spelling difference.

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#40 branketra
Member since 2006 • 51726 Posts

[QUOTE="BranKetra"][QUOTE="FMAB_GTO"] like? would be hilarious if your dad's name was Plank hahahahahaaaaaa sorry =/Sword-Demon

Was that a joke? I just thought you were talking about another person. It reminded me of Spongebob Squarepants for some reason even though I don't watch that show.

maybe you were thinking of Ed Edd n Eddie?

plank.jpg

Oh man I have't seen that show in so long. I used to watch that all the time. I was thinking of cartoons, so that might be it.
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#41 stanleycup98
Member since 2006 • 6144 Posts
So basically, all they did was write information on how to make a copy of the photon, destroy the photon, send the information somewhere else, and then recreate a copy of the photon from that information? That doesn't sound like teleportation to me. So if I make a copy of a file on a flash drive, delete the file, carry my flash drive to China, and then copy the file from my flashdrive to a computer, I just teleported the file to China? Still impressive though since they are transporting a photon instead of a set of data.
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#42 ZumaJones07
Member since 2005 • 16457 Posts
not impressed
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#43 themajormayor
Member since 2011 • 25729 Posts

I wish Funky was here :(