Things are flying in the physics world and there’s amazing things going on economically. And I owe some posts on these subjects.
But right now, more important for the brotherhood of blogs, is one of our own; Boudicca needs us. Her brain is at stake. a natural math talent could go to mush. We need to get her to quit marathoning (at age 43) and start doing mathematics again. We should start with the complex numbers. Right now she’s spending too much time quilting, and not enough time doing math.