1. The Pattern of The Primes
When you arrange all the numbers in a spiral grid, and highlight the primes, a fascinating pattern appears. This is the Ulam Spiral.
2. The Sunflower Spiral
Only with an angle of 137.508 do you get the most beautiful (and efficient) pattern. It does look good spinning though.
3. Regular Polygons
How to draw a perfect pentagon in 2 seconds!
4. Maths and Music
There’s some beautiful maths behind the sound of a theremin, but it explains why the thing sounds so awful.
5. Finding Factors
Numbers explode. See each number split into its prime factorisation.
6. The Enigma Machine
Tap the keys and watch the enigma dance.