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 ...

Confession: I have a desk drawer filled with gel pens in a variety of colors (think neon pink, shimmery gold, deep black and beyond). I use them to write birthday cards for my friends and for my ...

Custom pens are more than stationery—they’re portable brand ambassadors. From economical bulk orders to premium engraved designs, they suit a range of budgets and styles. With suppliers offering both ...

There are several popular types of pens, but when it comes to the best pens for note-taking, your best bets are ballpoint, rollerball, or gel pens that distribute ink evenly and don't easily bleed ...

The invention of the printing press revolutionized duplication of the written word, giving the hands of tired scribes a break and making written material more accessible. A similar breakthrough has ...

Researchers working with Chuan Wang, an associate professor of electrical and systems engineering at the McKelvey School of Engineering at Washington University in St. Louis, have developed ink pens ...