Moving the World
Archimedes was right. Source: Wikipedia. “Give me a lever and a place to stand and I shall move the earth.” That’s what Archimedes said when describing the advantage that leverage gives. Force times distance on one side of the fulcrum equals force times distance on the other side. That’s how you can lift a hundred pound weight with only five pounds of push – if the distance on one side is twenty times that of the other. [...]