Challenges

Featured Challenge:
#180 — Falling Sand

It's Genuary 2024! Watch as I attempt to build a falling sand simulation in p5.js using a grid of pixels and simple rules.

jan 21, 2024

Falling Sand

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prime numbers

Why do prime numbers show up as diagonals in a spiral? In this video, I create a visualization in JavaScript (p5.js) of the Ulam Spiral (aka Prime Spiral) named for Polish Mathematician Stanislav Ulan.

The Prime (Ulam) Spiral