Orrery
A personal atlas of computed visual explainers.
1 plate ·
Feed
001
Nothing is coloured
Light has a wavelength. Matter has energy gaps. Neither of those things is a colour. Colour is what your nervous system makes of the gap between them — and it makes it out of three numbers.
10⁻¹⁰ m → 10⁻² m
5 August 2026