A personal atlas of computed visual explainers.https://orrery.xvam.devenhttps://orrery.xvam.dev/nothing-is-colouredhttps://orrery.xvam.dev/nothing-is-colouredLight 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.Wed, 05 Aug 2026 12:00:00 GMTcolourvisionspectroscopyquantum