We may be only 60 years behind the aliens that crashed at Roswell, NM in designing amazing indestructible(?) memory metal.
The way I read it, the “restore to original shape” temperature can be changed so you could make Nitinol which returns to its original shape at room temperature.
What would a car or aircraft body of this material be like? Could Nitinol act as a light weight protective armor that would heal itself if deformed by a crash or even a bullet? Perhaps not, otherwise, why would it have not been done already?