I read somewhere (I'll dig for the article) that one of the conclusions of Quantum mechanics was that "things don't exist unless you look at them". And the clai

I read somewhere (I'll dig for the article) that one of the conclusions of Quantum mechanics was that "things don't exist unless you look at them". And the claim was that this actually happened on the macro level. This is one of many articles that discusses the experiment: https://www.sciencealert.com/reality-doesn-t-exist-until-we-measure-it-quantum-experiment-confirms https://www.sciencealert.com/reality-doesn-t-exist-until-we-...