“And then he calculated the distance between the earth and moon, as well as the gravity working on the moon, and the earth’s force of gravitation, and so on, and after a long time and much hard work, eventually he was able to prove his idea. And as a result, using a single physical principle, he was able to explain very neatly both the motion linking the web of stars spinning round and round through the enormous universe and the motion of a single dewdrop falling from the grass. “In other words, you see, with a single law of physics, he was able to explain both the things of heaven and the
...more
