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I'm a bit of a layman on englishandon physics, so here it is.

My questions are about the collapse of the wave-function of a single photon in the general sense. I will mention where I mean to pose a question.

If we may consider asinglephoton-particle as a wave with corresponding wave-function... (may we? question 1)

...and if we consider the physical manifestation of the likely position of this particle in time as determined by this function as, ideally, a 'growing' sphere in diameter.. (may we? question 2)

...then may we consider the 'detection' of the particle as a collapse of the corresponding wave-function... (may we? question 3)

...thus prohibiting 'detection' of this particle on every place on the, now collapsing, sphere? (question 4)

Is this prohibition a so called 'non-local' effect? (question 5)

Is it possible to so 'instantly' transfer information of the 'detection' all over the sphere? (question 6)

I assumed that the meaning of 'detection', 'non-local' and 'instantly' were clear.

Questions 5 and 6 are the ones I'm really interrested in.

Thanks very much in advance! You will probably laugh about this one.

I really know nothing about this, but it troubles me...can't sleep.

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# Collapse of the wave-function of a single photon in the general sense

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