How to Improve a Battery

First principle's thinking is something. The battery example is a great one, because also in this section, they say, to improve something, we need to know why it was successful or not. They have this falsification definition here, which i like. This is the opposite of verification. By failing to disprove something, you actually make the argument stronger. One of the phrases from this section that really stood out to me is that creativity is intelligence, having fun. I don't know what to do with that statement. But i k it. It's pretty impressive.