Superposition

November 1st, 2010

Chris, Clare and Jon’s first (very rough) attempt to explain and prove Superposition – the idea that an object can be in (a minimum of) two different places at the same time.

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25 responses to “ Superposition ”

  1. #1 fonzieboy702
    November 1st, 2010 at 6:07 pm

    great job :]

  2. #2 ProsperosCloset
    November 1st, 2010 at 6:27 pm

    Good job, thanks!

  3. #3 cryskolt
    November 1st, 2010 at 7:01 pm

    Very informative. Thanks for the explanation! :)

  4. #4 DeepEclipse
    November 1st, 2010 at 7:17 pm

    I’ve always thought a reflected wave is shifted by half (Pi) …

  5. #5 zonex1a
    November 1st, 2010 at 7:19 pm

    I hate to break it to you, I don’t know if I’m right either. But It seems like maybe your shooting 2 photons when you think your shooting 1.

  6. #6 uberunityistkaput
    November 1st, 2010 at 7:31 pm

    The apparatus causes polarisation. Such that ALL the particles arrive at one detector. Nothing mysterious going on whatsoever. The video is largely misdirection.

  7. #7 ThePremo1719
    November 1st, 2010 at 8:09 pm

    that is the behavior of a photon. Not everything behaves like a photon. But… Explained Amazingly! Very understandable. Great job!

  8. #8 alaamurad
    November 1st, 2010 at 8:49 pm

    Have you guys hearted about slides ? … or buy good pen write at the white board.

  9. #9 Wintblash
    November 1st, 2010 at 8:55 pm

    google Doe’s Account, its mindblowing.

  10. #10 Csatrad
    November 1st, 2010 at 9:09 pm

    lol your body still in develop state. biologicaly your not enough for it.

  11. #11 QuantumConundrum
    November 1st, 2010 at 10:05 pm

    Here is a suggestion for a book, thought I would mention “The Elegant Universe” by Brian Green its pretty good~

  12. #12 MrRotormaster1
    November 1st, 2010 at 10:44 pm

    dont worry kid, Niels Bohr one of the fathers of quantum mechanics stated, if someone thinks they can contemplate quantum physics without geting dizzy, they havent properly understood it. lots of helpuff info is avaliable on the net, there are olso alot of good books out there to help you out.

  13. #13 kimber202
    November 1st, 2010 at 10:56 pm

    @nickharvey7 One question leads to another..I just love the mystery of science and trying to figure it all out.. It is all very hard to grasp, such as Schrodinger’s Cat, but interestingly fascinating..

  14. #14 kimber202
    November 1st, 2010 at 11:45 pm

    @ChefLivesAgain Type in Dr Quantum in the youtube search box and look at the two slit experiment and some other more simplified versions. I too am interested and find the concepts hard to grasp, but that is because they are..I have a science degree and still find it hard..keep researching though, it is very interesting stuff. When you get to college you can take some courses.

  15. #15 x250f23x
    November 2nd, 2010 at 12:14 am

    @ChefLivesAgain
    Watch this movie on YT, it’s called ” what the bleep do we know”. It gives vary good explanations for some QP rules. But remember that QP is filled with theory, it’s up to you to decide if it is real or not.

  16. #16 ChefLivesAgain
    November 2nd, 2010 at 12:25 am

    I am 13 years old, and very interested by the concept of quantum physics, but I can never really grasp the concept that most of these articles or videos are presenting. If anyone has some advice on how I can find like, some articles in layman’s terms explaining quantum physics, that’d be really helpful. Also, the equations that describe the theorems are like, college geometry. If I could just figure out how to understand it, that would also really help.

  17. #17 marianiiina
    November 2nd, 2010 at 1:10 am

    omg i never knew that, i was always so annoyed by the system :P thanks lol

  18. #18 nickharvey7
    November 2nd, 2010 at 1:14 am

    Nice Video!
    But could it be that Time has symmetry and geometry? This would explain superposition. Newton believed Time was a thing in itself and connected to motion and Einstein believed there was something missing from quantum mechanics. In my video The Paradox of Schrodingers Cat an artist view it is Time that is the Hidden Variable.

  19. #19 keep6rocks
    November 2nd, 2010 at 1:37 am

    This was a fantastic video thank you! Something I wouldn’t mind trying myself!

    My only question to you guys would be, seeing as how the photons take, I assume, all four paths at once, does every photon make it to point B? Or do you still get a statistical result at the end? I would assume that you would have every photon click at B. anyways, thanks!

  20. #20 TW0T0M
    November 2nd, 2010 at 2:26 am

    Cheers! took me a while to work that one out :)

  21. #21 footballfullback
    November 2nd, 2010 at 2:49 am

    It still replys. If you check all comments, then it’ll show it where it should be, but when watching the vid is just sorts by NEWEST. The author of the post will still get an e mail telling him of your reply.

  22. #22 wweiwu
    November 2nd, 2010 at 3:27 am

    it’s putting the board on the laptop top, if u notice.

  23. #23 pat1pepo
    November 2nd, 2010 at 3:28 am

    this is great work guys, keep it up. but that way clare will make strong shoulder muscles holding the board like that :D
    Peace

  24. #24 blaxpear
    November 2nd, 2010 at 3:34 am

    The phase changes are not all positive. Both waves that are expected but not detected have undergone two 90degree phase changes, but in opposite directions and cancel each other out. The wave on the detected side is as a result of contrsuctive interferance from the wave that passed through the second splitter and that which came from the bottom. If you check the amplitude/intensity of the wave you will also find that is is roughly half the original wave. Thoughts??? Nice work on the illustration

  25. #25 iamthewalrusQ
    November 2nd, 2010 at 4:02 am

    How are there photons with opposite wavelengths?

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