Does the experiment where a single photon goes through 2 slits really show the universe is constantly dividing into alternate realities?

Question

Probably not well worded (bad at Physics!)

In: Physics

Answer 1

What it shows is that subatomic particles, of which light is by far the most accessible, just do not behave like macroscopic objects and thinking of them using intuition calibrated to throw sticks at mammoths doesn’t work.