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Article: Scientists Teleport Photon Particle Into Space

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Bedders, Fri 14 Jul, 2017 10:11 PM
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  1. Gaming Specialist

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    #1
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    #2
    It's amazing. We'll know that it cannot be secretly intercepted because it'll simply appear on our computer without any cables. I imagine there has to be a way to set up some kind of "net" that would catch them. But, if it did, wouldn't we know because it wouldn't appear on our computer at the expected time?
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    #3
    I think it's more that you send information from one place to another by use of these linked particles. It's this information (in the case of the article the photon particle) that is replicated ('teleported').

    In order for anything that is not one of the 'sending' or 'receiving' particles to view the information sent it has to be interfered with. By interfering with it, you change what is sent in some way. This change can then be picked up by the 'sending' and 'receiving' places and it informs them of the fact that something interfered with the communication.

    I must confess that I have no background in quantum mechanics or even in physics, and my understanding of this is limited. However I do look forward to it. I'm not even sure how you could listen in to such a change, because as far as I know the point of it is that the two particles are linked no matter the distance they are apart (don't ask me how!).
    Bedders
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    #4
    Okay, this is why Einstein described this as "spooky action at a distance." We're not "sending" information; we're making the same information appear in another location.

    This isn't like anything we've seen before. It's not like how I send this message through coded information along a cable or satellite to be displayed on your computer. Entanglement is near instantaneous, if not perfectly instantaneous.

    "If a pair of particles are generated in such a way that their total spin is known to be zero, and one particle is found to have clockwise spin on a certain axis, the spin of the other particle, measured on the same axis, will be found to be counterclockwise, as to be expected due to their entanglement."
    https://en.wikipedia.org/wiki/Quantum_entanglement

    One has to spin the other direction because of how the other is spinning. There's nothing connecting them. There's nothing traveling through the space between them. They just do it haha.

    Because they are entangled, when one particle is affected, the other particle is affected, too, though it appears to be independent of the other particle, but our previous understanding, which of course, creates a paradox.

    "It thus appears that one particle of an entangled pair 'knows' what measurement has been performed on the other, and with what outcome, even though there is no known means for such information to be communicated between the particles, which at the time of measurement may be separated by arbitrarily large distances."
    https://en.wikipedia.org/wiki/Quantum_entanglement

    This is called the Einstein–Podolsky–Rosen paradox. According to the rules, this should be impossible; it goes against everything we know about causality since the dawn of our civilization haha it's amazing.

    Heard of the Heisenberg's uncertainty principle? In the world we've known, we can measure a rocket and calculate its trajectory, position, speed, acceleration and time. We can do that because of the "uncertainties" the variables we don't know, like wind resistance, weight of the car changing due to using fuel, etc...are so small that we can not detect them, or need to. We can know that the rocket's trajectory will not change without a significantly strong force acting on it.

    BUT, when we apply this to something like electrons and photons, we find that nothing has a definite position, a definite trajectory, or a definite momentum.

    "If pitchers threw electrons instead of baseballs, and an overhead camera and side-facing camera were placed somewhere between the pitcher's mound and home plate so that the exact position of the electron could be determined in mid flight, then without the cameras being turned on, the pitcher would throw straight balls, and with the cameras turned on his pitches would start out straight but gyrate wildly after their pictures were taken."
    https://simple.wikipedia.org/wiki/Uncertainty_principle

    The funny thing is that the seemingly randomness is also predictable haha

    "The range of error in position (x) times the range of error in momentum (p) is about equal to or greater than the dirac constant plancks constant divided by 4pi"

    Mathematically speaking, we "cannot be perfectly certain about where something is and where it is going. If you get clearer on where it is at any time then you have less of an idea on where it is going and how fast. If you get clearer on where it is going and how fast at any time, then you have less of an idea of where it is right now."
    https://simple.wikipedia.org/wiki/Un...uncertainty.3F
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    #5
    The only thing i can say is that the technology will exist in a future time and it will be another Star Trek tech made real.
    The best adventure of all time is your Real Life. You are the writer, producer, director and the actor.
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    #6
    The only thing i can say is that the technology will exist in a future time and it will be another Star Trek tech made real.
    I look at it like we do radiation a 100 years ago, but I think it's going to take more than 100 years to figure this out.

    Great series to help explain
    http://www.pbs.org/wgbh/nova/physics...fabric-quantum
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    #7
    I look at it like we do radiation a 100 years ago, but I think it's going to take more than 100 years to figure this out.

    Great series to help explain
    http://www.pbs.org/wgbh/nova/physics...fabric-quantum
    I agree, it is only the beginning.

    Maybe in 200 years plus.
    The best adventure of all time is your Real Life. You are the writer, producer, director and the actor.
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    #8
    wow, awesome article! <3
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    #9
    That is a great article and the post by Allan Hood was helpful in providing a more in depth explanation. When I first read the article the very first thing I thought of was the quantum entanglement communicator from Mass Effect 2+3 not transporters... Shocked
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    #10
    That is a great article and the post by Allan Hood was helpful in providing a more in depth explanation. When I first read the article the very first thing I thought of was the quantum entanglement communicator from Mass Effect 2+3 not transporters... Shocked
    Thanks, that's really cool. I been studying this stuff for half my life now haha
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