I WONDER - Why Is The Solid State Important?

Solids are integral to our daily lives, appearing in various forms such as metal, plastic, fabric, and wood. We constantly interact with them, from sitting on a wooden chair to driving a car. Fabrics provide warmth, while some metals possess shape memory, allowing them to return to their original form when heated. This versatility and functionality make solids essential in numerous applications.

What is meant by 'shape memory' in some metals?

Describe the process that allows certain metals to return to their original shape.