Quantum weirdness is what it is. But it doesn't become a random mess of chaotic uncertainty when we are not looking at it. Feynman's sum over histories shows that there is still a measure of control. As Hawking has said:
"The probability of a particle going from A to B is found by adding the up the waves associated with every possible path that passes through A and B."
So even though the undisturbed quantum world exhibits behaviour that may seem strange to us, the fundamental laws of physics still hold and therefore the universe still functions. Consciousness is not required.
Rav - honestly - since you seem to have a good understanding about quantum physics - help me understand one thing on a purely empirical level.
When we say - the prob of a particle going from A to B is found by adding up the waves associated with every possible path that passes through A and B - that's simple probabalistic principle - because the paths are mutually exclusive - the probs can be added up to arrive at the final probability. This is simple and intuitive enough.
Other than the above - how do we explain the detection of a single particle at more than one places at the same instant (or may be the differnce in time is so miniscule as to be imperceptible): Let's take the unmonitored version of the double slit experiment where a single electron (or photon) produces an interference pattern where as intuitively it ought to have had been either a speck (provided it passed through one slit) or a complete darkness. How do we reckon that. Of course - you would explain it as the wave-particle duality and ascribe the presence of the photon at both slits simultaneously to the wave nature of the photon. So basically we don't know whether the photon is wave or a particle but employ techniques to suit the situation at hand? Wasn't Einstein frustrated with this behavior? Aren't we all?
And we sing paens to technological development when we haven't been able to answer this one simple question? (Or no...perhaps it's not *simple*)
Regards...
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