Smart materials used in Design & Technology are leading to progressively more creative products. Thermochromic and Photochromic inks allow fashion textile nproducts to react to temperature and light changes. Other materials react
Photochromism in inorganic crystallised compounds - ScienceDirect
Photochromism - Wikipedia
Different Types of Photochromic Lenses and Their Benefits
Copper-doped zinc sulfide changes color reversibly when illuminated and could be used in smart adaptive windows