Hidden Phenomena

These articles describe various interesting mathematical phenomena. If you're not sure where to start, we recommend Möbius strips and differential equations or What is \(\sqrt{-1}\) modulo \(5\)?.

Syzygies and higher groupoids August 29, 2026
Mechanics II: symmetry is conservation August 21, 2026
Mechanics I: nature is lazy August 15, 2026
Möbius strips and differential equations August 8, 2026
Fractal patterns hidden inside Pascal's triangle July 31, 2026
How to solve cubic and quartic equations II: cubics July 24, 2026
How to solve cubic and quartic equations I: quartics July 17, 2026
What is the factorial of 3.5? July 10, 2026
Infinitely many primes end in a 7 February 22, 2026
The Riemann hypothesis (or, how to earn $1 million) February 13, 2026
Why study Diophantine equations? February 10, 2026
What is \(\log(3)\) modulo \(7\)? February 7, 2026
What is \(\sqrt{-1}\) modulo \(5\)? February 3, 2026
Using calculus to do number theory February 2, 2026