To choose a smart pen, you need to figure out your intended purpose for the device. Some of them work best with a specific device or platform, while others are more focused on tasks such as taking ...

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 ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...