Decoherence and quantum fundamentals – natural selection of the observable state.

https://www.quantamagazine.org/are-the-mysteries-of-quantum-mechanics-beginning-to-dissolve-20260213/

“For a dust grain floating in the air, collisions with photons and surrounding gas molecules will produce decoherence in … a millionth of the time it takes for light to traverse a single proton”

“quantum Darwinism”