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So, HUP and non-conjugate variables. If we know the position precisely, we dont know the momentum. On the contrary, if we know the momentum, we dont know the position. Sorry for repeating the obvious.

Interpret HUP as a spectrum: on one side we know the position, on another we know the momentum. There is a symmery of the both sides, right?

On one side of a spectrum there is a particle, on another... well, there is no name for such entity. It is like a vector everywhere, so I can call it a flow, but there is no name for such thing.

Now my question: if there is a symmery between both side of the spectrum, why one side attracts much more attention thjen the other?

* Why we have particles, but don't have even the name for a 'flow'?

* Why Bohr was talking about particle-wave duality, not mentioning flows?

* Why in the pilot wave theories we talk about a 'particle', definitely preferring one side of the spectrum?

* Why in CI wavefunction 'collapses' to something particle-like? But we can measure the momentum as well...