Dale
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Yes. The uncertainty principle is about the uncertainty in the states, not the uncertainty in the measurements. So even if you measure both sides of a complementary pair precisely, any state you can prepare will have at most one be precise.lukephysics said:doesnt a dot pattern mean we have measured the position of the partcle? and if so, due to complimentarity wouldn't we not be able to measure or know the spin? how does the experiment still work if it appears we know the spin and we know the position as well?