Liquid metal controlled by low voltage reversibly switches color and infrared response in nanoscale surfaces, enabling low power reflective displays, sensors, and optical security features.

Imagine if there were inexpensive 3D-printed sensors that changed color to show us if something had gotten too warm or was subjected to too much stress. Well, there soon could be – and they'll ...

When we think about clothing, we usually think of it as something we wear to cover our body, convey our style and protect us from the environment. What if the cloth changes its visual appearance when ...