A friend asked me this question and I don't have an answer for him: So, we have two particles originating from a common source and travelling entangled in opposite directions and obeying conservation of momentum. After some time the two particles are a fair distance apart. We then make a measurement on one of the particles. At this moment, it is said that the wavefunction collapses and that the other particle immediately assumes a quantum state consistent with the measurement of the first particle. It is said that while this instantaneous collapse does not break relativity because classical information cannot be transferred by this mechanism, that some mechanism is responsible for this behavior. The way that scientists determine that this behavior is instantaneous is by recording the state of the other particle and then comparing it via a classical information channel, where they find consistency with the measurement and also find that the measurements were made in their corresponding local spaces at times that would've required faster-than-light communication. Now, I think that it is only at COMPARISON TIME, when these two individual measurements are brought together via a classical information channel that we see this consistency. Basically, we have two entangled particles. They are each measured independently by an observer which then becomes entangled with the particle they observe. Since each individual particle is also entangled with the other, the measuring devices are both entangled to each other. Both measuring devices then measure "every possible state" in a superstate of measurement. When they are brought together and the results are compared, this prior entanglement ensures the consistent histories of the measured values. So, there is never any instantaneous breakdown of the wavefunction, instead there are only consistencies in comparisons of entangled measuring devices that have both recorded every possible measurement in that when a particular and discrete measurement is discerned on one the consistent measurement is discerned on the other, even though the conscious observer could randomly observe any one discrete measurement from all possible measurements, thus implying that the observer is really in the superstate of observing all possible consistent measurements between the two measuring devices. The key here is comparison time consistency, not consistency of any discrete quantity through instantaneous wavefunction collapse. Any thoughts?