Kısaca
Shape memory alloys can be bent and crushed, then return when heated. It is not magic, it is a phase change in the crystal structure.
Bending a wire, crumpling it, then watching it straighten in hot water can feel unreal. The trick is a reorganization of the metal internal order.
Shape memory alloys are stable in one phase at low temperature, and in another phase when heated. Heat shifts atomic arrangement and enables a return to a trained shape.
This property is used in medicine from stents to orthodontic wires. In engineering it enables compact actuators and self deploying mechanisms.
A material that remembers shape looks like stored information. Nature shows that crystal order can act like mechanical memory.
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