The Chameleon Pen is so-called because it's capable of producing multiple color tones and seamless blending, all using the same single pen. Therefore, the ink which it produces changes color tone in ...

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 ...

Creating this Color Change Chameleon craft! It's a project that needs only a few supplies that you can find around the house. Making this Color Change Chameleon is a fun way to add color to any day.

Scientists studying chameleon skin have discovered the secret to the lizards’ color-changing prowess: Rather than relying purely on pigments, the animals use photonic nanocrystals in their skin to ...