Explained Visually (EV) is an experiment in making hard ideas intuitive inspired the work of Bret Victor's Explorable Explanations. Sign up to hear about the latest.I've found their explanations of Markov Chains and Eigenvectors and Eigenvalues both cool and clear.
First Paul, now John
cancer. Today I was saddened to learn that we have lost his close collaborator, John Peterson, to a climbing accident. Both will be missed.