This has come up in two threads as off topic discussions so I thought it needs its own thread.<BR><BR>I believe that the Copenhagen interpretation is that experimental observation of quantum effects ...

The Copenhagen interpretation of quantum mechanics tells us that observation collapses a probability wave into a single definitive outcome, but this isn’t the only interpretation of quantum mechanics.

Richard Webb gives the pragmatic version of the Copenhagen interpretation of quantum mechanics: that it isn't about what is really happening at the unseen, microscopic level, but simply a prescription ...