How Geometry, Data and Neighbors Predict Your Favorite Movies
A little high school geometry can help you understand the basic math behind movie recommendation engines.
Unscrambling the Hidden Secrets of Superpermutations
A science fiction novelist and an internet commenter made breakthroughs on a longstanding problem about the number of ways you can arrange a set of items. What did they discover?
Why Winning in Rock-Paper-Scissors (and in Life) Isn’t Everything
What does John Nash’s game theory equilibrium concept look like in Rock-Paper-Scissors?
How Math (and Vaccines) Keep You Safe From the Flu
Simple math shows how widespread vaccination can disrupt the exponential spread of disease and prevent epidemics.