>>12821798>, in the sense that they talk about “observers” but I don’t even understand what that actually means, Three talk about dark matter and energy and don’t understand what that means.scifi fags and many others like to mystify this topic. it's just that very small things are hard to see and measure (i.e. observe), sometimes behave differently and impossible to observe if they don't interact (i.e. shining a light at them, leaving a trace, etc), what most people confuse is that this is only true for very small things, your cat isn't turning into an eldritch entity while you are not observing it. your thinking about an object doesn't do anything outside your head.
diffraction is literally just 1+(-1)=0, sum of wave top and wave bottom is zero