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If you fire a single particle just once, you don’t get an interference pattern, right? You get a single impact.

You get both. You get a single impact in a location determined by the interference pattern.

Yes. The single particle interferes with itself. However the effect disappears if you measure which slit the particle went through.

Ah, this is where I was tripping myself up. Thanks

Ah, I see what you mean. Yes the sample you get comes from a distribution determined by the interference.

My point was that 1 sample in isolation won’t give you information about the underlying distribution, except that it’s non zero at that point, maybe?

What's the difference between that, and firing a singleton particles periodically? Shouldn't that just be a collection of 'single impacts'? Yet it isn't.

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