Quote:
Originally posted by rsl12
fleacircus: i think you're asking, how does not knowing the position of something you don't observe make quantum sized-stuff different from regular-sized stuff? that's a pretty good question.
your analogy is slightly off though. the fact that, at quantum level, you don't know the position of something you don't observe is not a fundamental tenet of quantum physics--it's more of a side effect of another phenomenon--ie, the wave/particle duality (that all objects behave both as a wave and a particle). the fundamental rule is not that the unobserved has no position, but that, when unobserved, it behaves as something that cannot be said to have a position (ie, a wave). the card analogy you used is not the appropriate analog, since you're not talking about something having this duality. if quantum effects happened at our level, it would be as if you were in a vacuumed, very very dark room, and threw two identical cards from one end to the other, and found that, by repeating this experiment over and over again throwing exactly from the same positions and the same way, that the card landing positions were not a nice bell-shaped curve but were instead kind of wavy.
If you don't know what wave/particle duality is, ask me.
|
Rsl, minor problem.
Wave/pariticle duality tells you alot. But, it doesn't deal with funky stuff like entanglement. You can have the states of two "things" entangled, seperate them by a large amount of distance, keeping them in what you call "wave" form, then observe them.
The observations made will correlate.
In fact, you can show using statistics that no "hidden state" in the wave is enough to hold the information needed.
So, now you have to hack in multiple particle entanglement and faster than light quantum communication to your wave/particle model.
Wave/particle duality explains really simple quantum interactions. You need more sophisticated mechanisms or interpritations...
And some of those more sophisticated interpritations do not have a wave/particle duality. (ie, "quantum wave collapse" doesn't "really" occur under some interpritations) In fact, some of those interpritations the card has a wave-like state: just, the wave-like state looks alot like a card to us.
Quote:
Originally posted by SixEdxMia
You silly birds and your electrons...
|
I guess you really need a higher post count? =p~