Hilbert Space: “The shadow the arrow casts onto an axis shall encode the odds of that possibility being realized when a measurement takes place.”

https://www.quantamagazine.org/in-hilbert-space-all-things-are-quantumly-possible-20260826/

So well written. Easy read.

“if you actually observe the system, the vector will instantly and randomly snap onto either the red, yellow, or green axis”