Researchers at the McKelvey School of Engineering at Washington University in St. Louis have developed ink pens that allow anyone to handwrite flexible, stretchable optoelectronic devices on everyday ...

Below are the ten pens I stand by for writing, drawing, or both. Having tested and vetted all of them, plus countless others, ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Browsing through the pen selection at your average office ...

Conductive ink has been around for a while and is a tool for printing flexible electronic circuits on various surfaces. One challenge with current conductive ink is that the ink can be expensive and ...