It is all probabilities.
This stuff is pretty abstract. It is all pure math proven by experiment and inference, and new theories.... etc. Gets more and more obscure every time.
One thing that seems to hold up: the conservation law.
Wonder if we are creating this minute universe out of our own minds? Sort of the Schrödinger model on a large scale.
Hmmm...An interesting thought indeed. John Wheeler said that the observer always became part of the experiment so that the very act of observation affected the outcome.
Schrodinger’s cat ain’t nothin’ til we open the box and look at it.