Author Topic: quantum phenomenon called entanglement  (Read 2659 times)

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ZOldDude

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quantum phenomenon called entanglement
« on: February 09, 2009, 08:28:43 pm »
Want to be someplace instantly without "traveling"?
Well if so a phenomenon called quantum entanglement has been shown to be your ticket...to be in two places at the same time more or less.

Yes you heard that correctly...be in two places at the same time and without normal "travel".
Yes it has been proved in a lab experiment on an atomic level.

In normal travel "information" moves from one place in spacetime to another,in quantum entanglement it is just there without the transfer of information (movement).
Now as if being someplace without "movement" to get there was not enough to make you say "WTF?!"...this happens INSTANTLY as well!

Read about Teleportation here:
http://www.jqi.umd.edu/

The PDF is here:
http://www.jqi.umd.edu/news/teleportation.pdf

There are PHOTOGRAPHS of the "teleporter" on page 5 of the PDF.


*While we crash and burn, small, low tech, agrarian societies such as the Hmong in the mountains of Laos will continue on without so much as blinking an eye.*

h3ck3lr

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Re: quantum phenomenon called entanglement
« Reply #1 on: February 10, 2009, 05:48:34 am »
there was not enough to make you say "WTF?!"...

read the pdf, my brain is still entangled, but it was still able to say   WTF   !!!!

guess I'm just lucky then that when you flick the switch the light comes on ......

ZOldDude

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Re: quantum phenomenon called entanglement
« Reply #2 on: February 10, 2009, 06:59:36 am »
Do you understand what this experiment shows?

So far only an ion has been in two places at the same time...one day "things" may be.

Yep...Teleporters/Star Gates.
Beam me up Scotty!
« Last Edit: February 10, 2009, 10:11:50 am by ZOldDude »

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M. O.

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Re: quantum phenomenon called entanglement
« Reply #3 on: February 11, 2009, 01:38:57 am »
Particles can tunnel through walls or alike, but that doesn't mean that balls will get through.  :wink2

It largely only applies to very small objects that can (or have to) be described by quantum physics.

As it looks particles can't travel faster than the speed of light. Information won't go from a to b instantaneously, but if photons (for instance) are entagled and you measure the spin of one, you'll basically instantaneously know the spin of the other. But this photon must have travelled to you (with the speed of light) in the first place.
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ZOldDude

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Re: quantum phenomenon called entanglement
« Reply #4 on: February 11, 2009, 06:18:38 am »
Normal travel is a transfer of information.
This is not normal travel.
Information has not moved it has been entangled and in two places (points in space time) at the same time.

*While we crash and burn, small, low tech, agrarian societies such as the Hmong in the mountains of Laos will continue on without so much as blinking an eye.*

M. O.

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Re: quantum phenomenon called entanglement
« Reply #5 on: February 12, 2009, 12:06:37 am »
I take it they measure the spin of some particle and then automatically know the spin of an entangled particle a distance away (by the Pauli Principle).

They do transfer "information" by sending a particle somewhere, but the receiver has to know about the result of the measurement of the sender particle to know the spin of his own recieved entangled particle. And that information can only be distributed by the speed of light (at a max). However, the sender will think that information has been transmitted instantaneously, because his measurement concludes the result of a measurement any distance away, but noone can use that information unless the result of the measurement reaches them first.

The particle in itself is a transfer of information but the state-measurement isn't. It is probably impossible to transfer information instantaneously (at least if the theory of special relativity is correct and that seems to be the case).



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Follis

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Re: quantum phenomenon called entanglement
« Reply #6 on: March 27, 2009, 01:33:32 am »
.... I think my head just exploded ....
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MrMedic

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Re: quantum phenomenon called entanglement
« Reply #7 on: October 10, 2009, 03:18:45 am »
man i lol'd big time lol
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ZOldDude

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Re: quantum phenomenon called entanglement
« Reply #8 on: October 10, 2009, 06:45:19 am »
man i lol'd big time lol
At what?
Follis's sig?

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Re: quantum phenomenon called entanglement
« Reply #9 on: October 10, 2009, 06:48:49 pm »
bullshido lol
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ZOldDude

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Re: quantum phenomenon called entanglement
« Reply #10 on: May 21, 2010, 09:23:23 pm »
Distance is now far enough to travel into space:

Quote
Quantum teleportation achieved over ten miles of free space.

A recent scientific paper was published entitled "Experimental free-space quantum teleportation", citing the achievement of quantum teleportation over a record distance of free space.

Quantum teleportation has achieved a new milestone or, should we say, a new ten-milestone: scientists have recently had success teleporting information between photons over a free space distance of nearly ten miles, an unprecedented length. The researchers who have accomplished this feat note that this brings us closer to communicating information without needing a traditional signal, and that the ten miles they have reached could span the distance between the surface of the earth and space.

Quantum teleportation is quite different from how many people imagine teleportation to work.  Rather than picking one thing up and placing it somewhere else, quantum teleportation involves entangling two things, like photons or ions, so their states are dependent on one another and each can be affected by the measurement of the other's state.  When one of the items is sent a distance away, entanglement ensures that changing the state of one causes the other to change as well, allowing the teleportation of quantum information, if not matter. However, the distance particles can be from each other has been limited so far to a number of meters.

Teleportation over distances of a few hundred meters has previously only been accomplished with the photons traveling in fiber channels to help preserve their state. In this particular experiment, researchers maximally entangled two photons using both spatial and polarization modes and sent the one with higher energy through a ten-mile-long free space channel. They found that the distant photon was still able to respond to changes in state of the photon they held onto even at this unprecedented distance.

Quote
Experimental free-space quantum teleportation, abstract:

Quantum teleportation  is central to the practical realization of quantum communication.  Although the first proof-of-principle demonstration was reported in 1997 by the Innsbruck and Rome groups, long-distance teleportation has so far only been realized in fibre with lengths of hundreds of metres.  An optical free-space link is highly desirable for extending the transfer distance, because of its low atmospheric absorption for certain ranges of wavelength. By following the Rome scheme, which allows a full Bell-state measurement, we report free-space implementation of quantum teleportation over 16 km.  An active feed-forward technique has been developed to enable real-time information transfer.  An average fidelity of 89%, well beyond the classical limit of 2/3, is achieved.  Our experiment has realized all of the non-local aspects of the original teleportation scheme and is equivalent to it up to a local unitary operation. Our result confirms the feasibility of space-based experiments, and is an important step towards quantum-communication applications on a global scale.  
Read the abstract here.      Read the full published paper here.

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MrMedic

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Re: quantum phenomenon called entanglement
« Reply #11 on: May 22, 2010, 02:09:57 am »
fuk that googles got pac man lol
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M. O.

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Re: quantum phenomenon called entanglement
« Reply #12 on: May 22, 2010, 02:52:43 am »
It is no real teleportation. This is just a transfer of quantum information (quantum bytes) from one location to another with the speed of light (at a max). No matter is transported.
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MrMedic

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Re: quantum phenomenon called entanglement
« Reply #13 on: May 22, 2010, 05:10:22 am »
its impossible to transfere matter unless the resolution is at quark level

if 'they' ever get the resolution down to that level then it will be a simple case of scan and send to faxprint ( very simplified example ).
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Re: quantum phenomenon called entanglement
« Reply #14 on: May 22, 2010, 09:26:02 pm »
its impossible to transfere matter unless the resolution is at quark level

if 'they' ever get the resolution down to that level then it will be a simple case of scan and send to faxprint ( very simplified example ).

Yeah i thought of that too, if teleportation works in this fashion then we should essentially have a replicator. meaning you can scan the "source code" of an object, copy and store it for later.

Im also wondering what happens to the person who is getting transported, they get scanned and that information is beamed over somewhere and re-assembled. do they have a hit-team to make sure they kill you once transported to prevent duplicates?
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