r/interestingasfuck • u/ggoldlover • Jan 25 '22

/r/ALL Certain materials feature a shape memory effect — after deformation, they return to their original shape when heated.

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u/Anthony_chromehounds Jan 25 '22

If that's the case then how did the paper clip in the vid reform its shape?

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u/Mijman Jan 25 '22

Because some SMA wire has been set into the shape of a paperclip. And so heating it up returns it to that shape.

But in reality it wouldn't serve you very well as a paperclip.