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Comment by ridewinter | Hacker News Reader

Because there's only one particle that we can observe going through one slit. Cover up the other slit that nothing is going through and there's no interference.

Edit: I think I understand what you're saying. The field isn't separate from the particle - the particle is the quantized field itself.

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I believe "everything is fields" is indeed a common interpretation. Particles are an unnecessary component we invent because of our familiarity with "stuff"

This lecture is long but goes into the everything is fields idea https://youtu.be/gEKSpZPByD0

In this interpretation what we colloquially call a particle is essentially a (localised) quantisized interaction between two fields (or self interaction in a single field).

As strange as it sounds, it does make some sense. Think of elementary particles; we never observe them as such, we only observe them when they're interacting with something.

And also "we only observe them when they're interacting" - that process itself, the observing is also just made up of such interactions so at every step of the way there are these interactions, and those are basically the only ones we have direct access to, not the particles themselves. So it makes a lot of sense actually.

> The field isn't separate from the particle - the particle is the quantized field itself.

Yes. A particle is nothing but a very localized wave. Aka. "everything is fields."

(At least that's may layman's understanding having read quite a bit about this in recent years.)

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