Challenges

Featured Challenge:
#176 — Buffon's Needle

How do toothpicks approximate the value of pi? I'll show you by coding a simulation in p5.js!

mar 14, 2023

Buffon's Needle

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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