Bulbs Know Fractions
Every bulb on the Mandelbrot set repeats with a period equal to the denominator of where it is attached, and between any two bulbs sits their Farey mediant.
3 projects

Every bulb on the Mandelbrot set repeats with a period equal to the denominator of where it is attached, and between any two bulbs sits their Farey mediant.

Newton's method on z³ − 1 has three basins. Pick any point on any boundary between them and all three are arbitrarily close.

Particles wandering at random until they stick, growing frost, and two ways of measuring it that disagree by a quarter.