Jun 2026
Fibonacci hidden in Collatz
How the Fibonacci numbers appear, uninvited, inside the Collatz conjecture. A general-audience note with interactive simulators you can walk through with high-school mathematics.
Collatz Fibonacci Interactive
Jun 2026
The Collatz Ring
An essay on the parallels between the Collatz conjecture and Tolkien's work. Maps, Rings and wrong hobbits.
Collatz Tolkien