This new ink can be loaded into a regular ballpoint pen and lets users sketch out electrical circuits ... the researchers drew a heart-shaped circuit that lights up 14 LEDs.

Learn more › There will always be a place for pens, pencils ... as a traditional notebook—doodle, sketch, annotate, write, and edit to your heart’s content—but allow you to digitize ...

In undergrad I was the guy you’d run to if you needed a charge, because I always had at least a few portable batteries in my bag at all times. A lifelong interest in technology has led me to ...

Like Livescribe’s Echo Smartpen, the Inkling is a digital sketch pen and receiver; sketch, and your lines will be translated into an illustration on your computer. Unlike the Smartpen ...