Researchers have created a new conductive ink that can be used on virtually any surface that is applied with a clog-free ballpoint pen. The ballpoint pens can "write" circuits almost anywhere ...

Silver-based ink, flowing from a ballpoint pen, write circuits that power lights. Skip to main content. Scientific American. December 23, 2015. 2 min read.

Who knew there was a pen specially designed for women? The Bic pen "For Her" might be the first of its kind, but that didn't prevent Amazon.com reviewers from offering up snarky, sarcastic reviews ...

Synthetic Dyes. 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 ...