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În prealabil postat de iuliu46
Uite altul care vorbeste despre experiment :
http://www4.ncsu.edu/unity/lockers/u...s/quantum.html
"But of course, the theory also raises a lot of disturbing questions. To name just a few,
1 What is this Y thing anyway? What does it mean to say that "probability waves" are flying through space, interfering with each other, and suddenly "collapsing" into definitenesses? |
O abstractie matematica care descrie suficient de satisfacator (deocamdata) anumite procese fizice descoperite experimental.
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2 What does it mean to "measure" it? Presumably the photon is bumping into, and interacting with, all kinds of things on the way to the cardboard, but they apparently don't count as "measurements." At the same time, a measurement doesn't need to involve a person; you can stick a measuring device at one of the slits and never have a human being look at it, and the interference pattern on the back wall still disappears. So what is good enough to count as a "measurement"?
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Binenteles ca poate interactiona in unele cazuri, cazuri in care experimentul este compromis - de asta se fac si mai multe masuratori.
Exact, o masurare presupune o interactiune si nu implica o persoana sau/si constiinta cum lasa sa se inteleaga "pacalicii" de care vorbeam.
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3 When you put a measuring device on one slit, how does the wave going through the other slit "know" that it's supposed to collapse?
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Mecanica cuantica nu a reusit sa patrunda foarte mult sub "capota" fenomenelor cuantice, tot ce a reusit deocamdata este sa gaseasca matematica care le descrie intr-un mod satisfacator sau mai bine zis cel mai satisfacator la ora actuala.
Desigur, se pot face asumtii in ideea ca unda are asociati un camp de informatii care se propaga in interiorul undei-obiect.
Nu e greu, de pus asta in ecuatii e mai dificil.
Mai fascinant insa in aceasta directie este paradoxul EPR -ul.
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4 Isn't there some possible explanation that corresponds equally well to all the data, but makes more sense than this nonsense?
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Binenteles ca destul de probabil ca este.
Einstein a promis ca vine cu una dar n-a trait suficient ca sa reuseasca asta.
A avut ceva tentative dar au fost un esec total.