Have you ever seen a mood ring that seemingly changes colors in response to your mood? Or, maybe you have seen T-shirts, toys, and even thermometers that change colors in response to temperature changes. All of these color changes, even the mood ring, change colors due to special chemicals, called thermochromic chemicals. Two types of […]
Chameleon Dyes
Chameleon Dyes Note: I am revising the following information. I had the opportunity to speak with one of the directors of LCR Hallcrest, a company that makes chameleon dyes. The pencils in the picture are called chameleon pencils. While chameleons change colors in response to different stimuli, such as temperature, emotions, and illness, the dye […]