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 ...

Here is one no one can answer: how to restart ink flowing in a ballpoint pen after non-use. This has everyone stumped, so if you can’t answer, that’s OK. At the Alice Research Institute, nearly ...

Patents for ballpoint pens go back to the late 1800s, but it took half a century to develop good, fast-drying inks. Bic, Pilot, and other makers jealously guard their formulas, but to get that classic ...

In a groundbreaking development for the stationary industry, engineers have managed to design a pen that never depletes its ink supply. This innovation, a significant leap forward in writing ...

Nobody wants to be taking notes, journaling, or drawing only to have their work bleed through the page. While bleed-resistant pens can come in a variety of styles, certain pen types tend to be more ...

It’s a debate as old as time and has had the world’s finest intellectuals at war for years – what is better to write with, fountain pens or ballpoint pens? Okay, maybe it’s not that serious, but if ...