Imagine wearing a shirt that turns from deep blue to bright red when you’re working out, or a dress that shifts from black to silver as you move from air conditioning into summer heat. The fabric that ...

Q: Just as I understand the concept of color temperature (Kelvin), now CRI is being bandied about as LEDs come into the market. What is it exactly? A: I am right there with you. From the beginning of ...

Editor’s Note: Design for Impact is a series spotlighting innovative solutions for communities affected by the climate crisis, natural disasters and other humanitarian emergencies. When Joe Doucet ...

Imagine having a picture on your wall that completely changes when the room gets too warm. Engineers at MIT have created a new printing technology called Thermochromorph to make full-color images that ...

After a heatwave in China, a cat owner from Henan province suddenly noticed that his Siamese cat’s face looked quite different. The dark mask around its blue eyes had almost disappeared. But how is ...

Color change in animals is a response shaped by evolution. Each species has developed its own method and reason for this ability, like an overreliance on light or temperature cues, or a physiological ...