While the concept of applying ink to paper with a stylus can be traced back to ancient Egypt and China, the modern self-contained ink pen is a relatively new invention. Split quills gave way to metal ...

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A couple of years ago, a group of entrepreneurs successfully Kickstarted a little something known as the Chameleon Pen. In a nutshell, it's an art pen that changes color tone as you draw – for example ...

Is there a reviled-to-riches story quite like that of the stylus? Once a mainstay of smartphones, only to be made a laughing-stock by Steve Jobs and then, ironically, rebooted as the Apple Pencil, the ...

The ballpoint pen was invented 128 years ago. Since then, things have stalled a little bit. I guess it’s hard to innovate on something so fundamentally simple like a writing implement. But then again, ...

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 ...

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 ...

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 ...