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Re:Quantum theorem shakes foundations by Anderkent on Friday November 18, 2011 @10:20AM (#3251972)
That is very wrong. A particle doesn't 'know' it is being observed. However, when it interacts with other particles, the new state of both particles depends on the old states of both particles.

For a better explanation than I could possibly write here, see http://lesswrong.com/lw/r5/the_quantum_physics_sequence/.

Re:Quantum theorem shakes foundations by StacyC on Friday November 18, 2011 @10:41AM (#3252039)
I get that particles don’t know anything, that’s why I put it in quotes. But then again, how do we know they don’t know anything? Could elementary particles possess a form of consciousness?
Re:Quantum theorem shakes foundations by gnaritas on Friday November 18, 2011 @10:45AM (#3252058)
For any reasonable definition of consciousness, no.