Re: What is "uncertain" in quantum physics?

On May 18, 2025, Julio Di Egidio wrote
(in article <100d5cr$105b1$1@dont-email.me>):

Why shouldn't we think of the Uncertainty Principle as just a statement
about the limits of observation, rather than about something objective,
especially as in causing some non-zero vacuum energy?
>
Is there some experiment that settles "uncertainty" as something "really
there"? In particular, I am not sure if the expansion of the Universe
is such evidence, or rather a consequence of the theory.
>
Thanks for any insight.
>
-Julio

You might want to try posting to the moderated group
sci.physics.research , which has some knowledgeable
readers.

--
https://www.nfld.com/~dalton/dtales.html Salmon on the Thorns (mystic page)
"And the cart is on a wheel; And the wheel is on a hill;
And the hill is shifting sand; And inside these laws we stand" (Ferron)