If you plot the origins of the greatest inventions in history, you start to notice a pattern: The light bulb, the phonograph, the airplane, air conditioning, the zipper, the microwave, lasers, transistors, the personal computer, the internet, GPS, the smartphone … No country on Earth has as rich a history of modern invention as this one. But my question is, why is that? Well, the answer may start with a guy from Ohio: Thomas Edison, who we know as the inventor of the light bulb. "Kind of,"