What are photo chromic material
Change colour depending on the amount of light hitting the surface example is light changing suited sunglasses
What are thermochromic materials
Materials that change colour depending of the temperature
Electro chromic material what are they
Materials that change couloir depending on the amount of electricity applied to it
Phosphorescent materials what are they
Material that absorb light during the day and glow in the night
What is a smart material
A material that reacts to stimuli e.g temperature or light but then change back to original shape when stimulus Is removed