In painting apps, color gradients are calculated within abstract color models, apparently without any particular care for how ...

[Jens] has just the thing. He built a color-mixing toy that looks great and we’d bet you have everything on-hand necessary to build your own version. The body of the toy is an old router case.

As they grow older, their curiosity may pique, making them wonder, how exactly are colors mixed together? For fun, they may begin to experiment by mixing all the paint colors or just one or two ...