Hi Atreya
You might find David Deutsch's latest book very helpful, The Beginning of Infinity. In it he further develops his concept of explanatory principles. I think this might be what you are in search of! It is knowledge we are in search of in science, and this knowledge applies more or...
Hi. Much the best explantion I have found is given in Nick Herbert's book Quantum Reality, I will do my best to precis in brief.
Wave information can be packaged in different ways, and analog or digitgal are very different. If you want to describe a sine wave by far the simplest way to do so...