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Thread: Milestone in Teleportation

  1. #1

    Milestone in Teleportation

    It seems an advance in the area of teleportation, or transporting, occurred recently. My friend fwd'd this article to me and I found a link to an illustrated PDF file for those who like TECh stuff:

    <<<We've still got a long way to go before human beings can be beamed from one place to another "Star Trek"-style, but a team of scientists at the University of Maryland has achieved, nonetheless, a milestone in teleportation.

    According to the Web site LiveScience, the university's Joint Quantum Institute for the first time was able to teleport information between two separate atoms across a distance of a meter -- about one step for an adult.

    Generally, teleportation works thanks to a remarkable quantum phenomenon called entanglement, which occurs only on the atomic and subatomic scale. Once two objects are put in an entangled state, their properties are inextricably entwined. In layman's terms, if they are in entangled mode, what you "see" on one is what you get on the other.

    The JQI team set out to entangle the quantum states of two individual ytterbium ions so information embodied in one could be teleported to the other. Each ion was isolated in a separate high-vacuum trap, suspended in an invisible cage of electromagnetic fields and surrounded by metal electrodes.

    After that, the experiment worked like this: Single photons from each of the two ions in separate traps interacted at a beam splitter. When both detectors recorded a photon simultaneously, the ions were entangled. At that point, ion A was measured, revealing exactly what operation had to be performed on ion B to teleport ion A's information (see illustration above).

    It's important to note that the achievement is not any form of conventional communication. This is because in teleportation no information pertaining to the original object actually travels to the other. Instead, the information measured from the first object appears on the second object.

    The research was supported in part by the Intelligence Advanced Research Projects Activity program under U.S. Army Research Office contract.>>>

    Their Website:

    Joint Quantum Institute (JQI)

    Illustrated PDF:

    http://www.jqi.umd.edu/news/teleportation.pdf
    "The days have gone down in the West behind the hills into shadow...How did it come to this?"

  2. #2
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    That's all greek to me.

    When the transporter is ready, then let me and my fly know
    .................................................. .......................

  3. #3
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    I don't get the technicalities, but I sure hope that one day I'll be able to say "Beam me up, Scotty" Although I doubt it'll happen in my lifetime
    "...The agony of my soul found vent in one loud, long and final scream of despair..." - Edgar Allan Poe

  4. #4
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    That's fascinating John...thanks for posting it.

  5. #5
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    I remember hearing about this before, and I think that this event occurred at least a year ago and has only been written up now.

    Or maybe I've stepped through a rift in the Space Time Continuum...
    90, Joe 90.... Great Shakes : Milk Chocolate -- Shaken, not Stirred.

  6. #6
    I love this stuff, great post!

    I read about those in one of Bill Bryson's books. Appearently if you spin one atom, the other spins at the same rate, at the same time, no matter what the distance. There is no lag. In theory you could place one atom on Pluto and spin the other on Earth, and the Pluto one would spin at exactly the same time.

    It could be the means for instant communication over limitless distances. Nobody seems to know how they are connected to each other either. They can not find any link or field or transmission between the two. They are linked via a physical property we have yet to discover. I thought that was stunning when I read that, one of the greatest mysteries I've ever heard of.

    Cooooooooool.

    Will
    Toltoys Kid Vintage Australian Toys and Ice Creams

  7. #7
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    I'm glad they clarified the basic distance equivalent to a meter...

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