Conventional color printing involves overlaying dots of cyan, magenta, yellow, and black pigments in different ratios to get a spectrum of colors. In the new coloring scheme, each pixel is made of ...

Color gradient filament is fun stuff to play with. It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this effect, ...

Food dyes can appear in a range of foods. Some studies suggest food dyes may cause hyperactivity or allergies, but research in this area is limited. Food dyes are chemical substances developed to ...