Galileo and Pendulums

Mathematical equations can be beautiful, or they can be ugly and messy. When we find a simple, elegant equation, we can rightly say it’s beautiful. Most people are familiar with the simple and elegant equation E = MC². It’s sometimes called Einstein’s equation and it expresses with admirable mathematical succinctness …

“Wars are the way Americans learn geography.”     —Ambrose Bierce, or maybe it was Mark Twain. In any case, it’s an uneasy truth.