Recycling 3D filament is a great idea in theory, and we come across homemade filament extruders with some regularity, but they do have some major downsides when it comes to colored filaments. If you ...

Dial up hues with this Arduino-powered, on-demand spray-can mixer ...

At the beginning of the color world, there are three primary colors -- red, yellow and blue. If you mix any of these colors together, the mixtures are called secondary colors. If primary and secondary ...

Painters, artists and hobbyists looking for a way to quickly mix over 1 million different colours of paint, may be interested in a new paint mixing system called the Picolor. The desktop machine takes ...

High-brightness (HB) LEDs continue to increase in popularity due to the numerous advantages they offer when compared to the conventional lighting solutions. One of the advantages of HB LEDs is their ...