Reader A asks: How did we discover that the Earth is round? Reader B: Probably fishermen who saw the top of masts coming first when approaching other nearby ships. Me: An ancient Greek mathematician (Pythagoras? Euclid?) asked a friend who …
Reader A asks: How did we discover that the Earth is round? Reader B: Probably fishermen who saw the top of masts coming first when approaching other nearby ships. Me: An ancient Greek mathematician (Pythagoras? Euclid?) asked a friend who …