math – Alan Richmond

Spectral Harmonographs

This Python + Pygame program draws the trace of 4 decaying sine waves, 2 per axis, with rainbow colours. It… read more Spectral Harmonographs

Basic Numbers

Playing in Python with Pickover’s Premise per Pi

My favourite tweeter is Clifford A. Pickover. His tweets are delightful nuggets of math, physics & more. I have a copy… read more Playing in Python with Pickover’s Premise per Pi

Harmonograph Intermediate

Extensible Harmonograph

Often seen in science museums, the harmonograph is a device that combines wave motions (e.g. from some pendulums) to move… read more Extensible Harmonograph

Fractals Intermediate

Fractal Tree

This program draws a ‘tree’ by drawing a trunk (initially; later it’s a branch) and appending a tree, recursively. Uses… read more Fractal Tree