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>Without subtle factors like air currents or imperfections in the pegs or the marbles, where does the marble land?

If everything is truly perfect, it lands on the first peg.




Does it fall to the left side of the peg, the right side, or does it stay on the peg?


It comes to rest perfectly balanced on the peg. I intuit that the quantum effects are a wash on the macro scale, but maybe I'm talking out my ass.


What if the size of the peg is really tiny, let's say a few atoms and what if the marble was also very tiny, a single atom? What would happen then?




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