I love photography, I men who does not love focusing a lens on the light reflected or emitted from objects into a real image on the light-sensitive surface inside a camera during a timed exposure.
I do like to take pictures, but not with the same passion as you.
If you need to take good pictures, all you need is a good camera. It has made the  modern photographic camera evolved from the camera obscura.
Yes indeed. A  good camera is everything.
But do you ever consider photography a science or art?
It could be classified as an art, no doubt.
But there are proves that Photography is employed in many fields of science such as manufacturing and business
It makes a lot of sense, yes.
Yes and they have technical terms when they talk about electrical charge at each pixel and the processing and storage in a  digital image file for subsequent display or processing.
This system looks very complex and detailed.