... more of it, you will say Do not be mistaken; there is as much upon the surface of one of these pieces of paper as upon the other What you see yellow is the same thing as the red body, only the ... The Correlation Of The Physical Forces We have frequently seen, during the course of these lectures, that one of those powers or forces of matter, of which I have written the names on that board, ... here, at G, by the side of the shadow, it can only receive one-fourth of the proportion of light which is obstructed That, then, is what is meant by the inverse of the square of the distance This...