New York Magazine:
The timeline of big moments in human history is littered with sudden, seemingly random realizations. Rene Descartes, for instance, came up with the idea for Cartesian geometry while watching a fly zoom around his bedroom. Paul McCartney wrote “Yesterday” after the fully formed tune plopped itself into his brain (“I woke up one morning with a tune in my head,” he later recalled, “and thought, ‘Hey, I don’t know this tune — or do I?’”) Then there’s the guy who gave the eureka moment its name: Archimedes, the ancient Greek mathematician who noticed when he settled in for a bath that the density of an object could be measured by the volume of water it displaced.
Read the whole story: New York Magazine