Pilot’s Frixion series of groundbreaking erasable-ink pens became international bestsellers following their launch in 2006. Frixion products have now sold a total of 1.5 billion units worldwide. Forms ...

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 ...

PITTSBURGH (KDKA) -- Some things are very sensitive when it comes to temperatures, and we are going to do an experiment that uses a temperature sensitive ink. "Temperature sensitivity" means that the ...

You want a pen that is comfortable to hold and writes smoothly, but not all pens are cut out for all types of paper. The best pens for Moleskines, for example, should meet certain criteria that differ ...

Whether you’re an artist, a fan of adult coloring books, or just love doodling on paper, gel pens are a great tool for expressing your creativity. The best gel pens for coloring have smooth-flowing ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Melanie Pinola If you’ve ...

You probably have no idea where the ink in your pen comes from, much less whether it’s a simple factory process or demanding of more expertise. Josh Velson, a chemical engineering consultant for bio ...

A tweet with 45,000 likes and more than 31,000 retweets claims that mail-in ballots must be completed using black ink. "If you’re an absentee voter in Virginia use a BLACK pen only," the tweet reads. ...

Sarah is a freelance writer and CNET How To blogger. Her main focus is Windows, but she also covers everything from mobile tech to video games to DIY hardware projects. She likes to press buttons and ...

Travel experts reveal why a simple pen is the most overlooked airport essential, preventing delays at immigration and customs ...