A new color-changing ink could aid in health and environment monitoring—for example, allowing clothing that switches hues when exposed to sweat or a tapestry that shifts colors if a dangerous gas ...

We have seen E Ink Prism 3 displays being used for creating color-changing dress materials before though here is one that changes color or shows a different pattern based on changes in the heart rate ...

Scientists have created a new light-activated ink that can change color on demand. It’s made up of microbeads of different colors that rise or sink in response to different wavelengths of light so ...