 But when it does come, it can be really transformative. Nuclear energy is one example. Another is, you know, the discovery of the electron, which is the first particle that we ever found. Again, the discoverer of the electron said, oh, this is just a scientific curiosity. This is kind of end of the 19th century. It's never going to be any use to anyone. But you couldn't imagine the technology that we use today without understanding electrons.