The Rodney Brooks (@rodneyabrooks) Rules for Predicting a Technology’s Commercial Success (via @exponentialview by @azeem)
Building electric cars and reusable rockets is fairly easy. Building a nuclear fusion reactor, flying cars, self-driving cars, or a Hyperloop system is very hard. What makes the difference? The answer, in a word, is experience. The difference between the possible and the practical can only be discovered by trying things out. Therefore, even though the physics suggests [...]