The sky is made pretty much entirely of colourless gas, and yet I can get through the whole palette in one painting of it… All thanks to a little bit of scattering caused by those gas molecules. Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on Pinterest (Opens in new window) Pinterest More Click to share on LinkedIn (Opens in new window) LinkedIn Click to print (Opens in new window) Print Click to email a link to a friend (Opens in new window) Email Colourless The ART Approach