ABSTRACT
Many things are invisible, of course, and many things move. So the difficulties about time lie deeper. They come to the surface in one large question.
3 How can such a queer thing as time exist and be measured?
Many things are invisible, of course, and many things move. So the difficulties about time lie deeper. They come to the surface in one large question.
3 How can such a queer thing as time exist and be measured?