objects remembering their shapes

https://www.reddit.com/r/interestingasfuck/comments/n5pbel/material_shape_memory_effect_after_deformation/?utm_medium=android_app&utm_source=share

https://preview.redd.it/nghyq0x10dx61.gif?format=mp4&s=a9f65656c49f0a59ed815de8c761fac9211c21d2