With regular felt pens, users are limited to the colors of the pens in a set. As you might have guessed, though, the Colorpik Pen is different – it can reproduce 16 million colors, which are scanned ...

The Scribble Pen is a device that scans a color from a real object, turns it into an ink, and lets the user draw with it. An RGB color sensor scans the color and sends the information to a micro pump ...

When the Nintendo DS came with a stylus at launch, some developers used this feature to create drawing games for the portable console. One of those was Colors! which, according to developer Jens ...