[Causality1]

Isn't that a fundamental misunderstanding of the definition of "observer" in quantum physics? To "observe" is to cause a quantum system to interact in such a way that collapses probabilities. Whether there is a living observer is totally irrelevant.

[skosch]

Unless ... there is no observer at all: https://en.wikipedia.org/wiki/Superdeterminism

[v77]

I would say this is considered an open question.

[BalinKing]

AFAIK the details are unknown (e.g. what constitutes the boundary between the “measuring” system and the one that’s being “measured”), but the “alive”-ness of the observer is definitely known to be irrelevant.

[scotty79]

Only for non-physicists and physicists wondering about things outside of physics.

[hprotagonist]

it is “the measurement problem”. https://en.wikipedia.org/wiki/Measurement_problem

[jes5199]

if I remember correctly, this paper specifically tries to prove that those are the same