It may not be quite up there with manned deep-space travel or flying cars, but the quest for a pen that can write in virtually any color is one that has been with us for a while. A group of Polish ...

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More Meet Scribble, the company that apparently put a color picker app inside ...

A couple of years ago, a group of entrepreneurs successfully Kickstarted a little something known as the Chameleon Pen. In a nutshell, it's an art pen that changes color tone as you draw – for example ...