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Does Quantum Physics prove the existence of God?
There's been a few articles in Woo Land (Huff Post, Chopra etc.) that reckon Quantum Physics proves the existence of God

The observer effect in quantum mechanics indicates that the quantum wavefunction collapses when an observation is made by an observer - a consequence of the traditional Copenhagen interpretation of quantum physics.

The woo gurus use the fact above as proof that;
There must be an observer in place from the beginning of time and this proves God's existence as his act of observing the universe brings it into being.

If you're interested in Quantum Physics as science and not allow it to get hijacked by woo here's a few facts;

The argument being exploited in proving God is that there needs to be an observer to cause a collapse.
However, it makes the error of assuming that the collapse has to take prior to the creation of that observer. In fact, the Copenhagen interpretation contains no such requirement.Instead, what would happen according to quantum physics is that the universe could exist as a superposition of states, unfolding simultaneously in every possible permutation, until such a time when an observer springs up in one such possible universe.
At the point the observer potentially exists, there is, therefore, an act of observation, and the universe collapses into that state.
This is essentially the argument of the Participatory Anthropic Principle, created by John Wheeler. In this scenario, there is no need for a God, because the observer (presumably humans, though it's possible some other observers beat us to the punch) is itself the creator of the universe.


The second flaw in this line of reasoning is that it is usually tied in with the idea of an omniscient deity that is simultaneously aware of everything happening in the universe.
God is very rarely depicted as having blind spots. In fact, if the deity's observational acumen is fundamentally required for the creation of the universe, as the argument suggests, presumably he/she/it doesn't let much slip by. And that poses a bit of a problem.
Why?
The only reason we know about the observer effect is because sometimes no observation is being made. This is clearly evident in the quantum double slit experiment. When a human makes an observation at the appropriate time, there is one result. When a human does not, there is a different result. However, if an omniscient God were observing things, then there would never be a "no observer" result to this experiment. The events would always unfold as if there were an observer. But instead we always get the results as we expect, so it seems that in this case, the human observer is the only one that matters.

While this certainly poses problems for an omniscient God, it doesn't entirely let a non-omniscient deity off the hook, either. Even if God looked at the slit every, say, 5% of the time, in between various other deity-related multitasking duties, scientific results would show that 5% of the time, we get an "observer" result when we should get a "no observer" result. But this doesn't happen, so if there is a God, then he/she/it apparently chooses consistently not to ever look at particles going through these slits.
As such, this refutes any notion of a God who is aware of everything ... or even most things ... within the universe. If God exists and does count as an "observer" in the quantum physics sense, then it would need to be a God who regularly does not make any observations, or else the results of quantum physics (the very ones trying to be used to support God's existence) fail to make any sense.
Andrew Zimmerman Jones (paraphrased)
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How the Quantum Eraser Rewrites the Past | Space Time | PBS Digital Studios

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