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Quantum Theory

Quantum physics and related topics.

  1. Started by fafalone,

    We can look at an element's spectral pattern, and know what it is. Everything has its own spectrum that we observe; but I wonder, why does a particular element have a particular spectrum? What determines that pattern? I don't understand how it could simply be the mass; since there's a much wider variety of colors than types of particles.

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  2. Started by blike,

    "Physicist Fotini Markopoulou Kalamara has developed a way to connect relativity with quantum theory--while making sure that cause still precedes effect" Basically they're developing an alternative to string theory. They call it "Loop Quantum Gravity". "In LQG, reality is built of loops that interact and combine to form so-called spin networks--first envisioned by Roger Penrose in 1960s." "Each spin netowrk resembles a snapshot, a frozen moment in the universe. Off paper, the spin networks evolve and change based on simple mathematical rules and become bigger and more complex,l eventually developing into the large-scale space we inhabit." I'm not sure how…

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  3. We're studying QM at the minute and it's quite easy to visualise the superposition of wavefunctions in 1 dimension and not that much harder in 2 dimensions but when it comes to 3 dimensions it seems to be much harder to visualise the wave functions. The closest analogue i can think of is prolly some sort of lattice but instead of points at the intersections it's more like 'blobs'. Does anyone have a better way to think of it?

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  4. Guest Syntax
    Started by Guest Syntax,

    I'm probably incorrect about the subject. Anyway, I didn't have time to write any information on it, but the article is about the new discoveries on memory. http://www.hp.com/hpinfo/newsroom/feature_stories/molecular02.htm

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  5. Started by aman,

    I read an article that gave a figure of 10^80 for the number of subatomic particles in the universe. There point was about geting a computer vast and fast enough to follow the coordinates and energies of each individual particle in near real time. It would have a good idea of the tiny slice of existance we experience. Not to bring religion into it, but it would hardly be "a pimple on Gods butt" compared to all there truely is. What I am getting at is with a limited amount of information and energy it is possible to replicate this reality. There are plenty of ways this can be theoretically done. If I put all these tiny little pieces together just so, and incrementa…

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  6. Started by kenel,

    Physicists have been looking for the "God particle" for quite some time now. They've built gigantic particle accelerators, in hopes they'll find the Higgs boson. My question is...once we find this particle...then what? What's the use of these trillion dollar particle accelerators? What else is there left to find with them?

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