Why doesn't technology spread? I understand that technology becomes cheaper the longer it remains unresearched. But, the chance of the technology being researched by the ai doesn't increase. If a country has low research, like the Ottoman Empire, they might not get around to researching something like basic chemistry, even by 1900. The same is true to a lesser extent for Russia, and Austria. Now, these countries were behind somewhat, but if a great invention or technology was discovered, somewhere else, it wasn't kept a state secret. Other countries quickly picked up on it. So, I am saying that there should be some system of technology and inventions spreading between countries. I am wondering what people think about this idea.