The despicable state of K-12 mathematics in the US has been summarized in one charming, witty, furious article by Paul Lockhart. That’s Lockhart the mathematician-turned-gradeschool-teacher, not Lockhart the astronaut. He…
Visualize the Eversion of a Sphere
It is famously possible to continuously deform a sphere until it’s inside out. You have to imagine the sphere is something like a bubble, which can ‘pass through’ itself. This…
Riemann Hypothesis Gets Proved Again
Yet another proof of the Riemann Hypothesis (RH) has been proposed by BYU mathematician Xian-Jin Li. Dr. Li posted his proof on the arXiv a few days ago. (Update, 11:05am.)…
Group Theory Of Your Spine
In more examples of the unreasonable effectiveness of mathematics, there now exists a robust application of group theory to the human spinal cord. Modeling the Human Spine. A few years…
PHIL-∞: An Infinite Seminar?
Can every philosophy seminar be correctly completed in either finite time or infinite time? Here’s a (gödelesque) answer in the negative, in the form of a philosophy seminar I’m calling…