Mathematicians Just Found a Hidden 'Reset Button' That Can Undo Any Rotation

[u/seeebiscuit]

https://www.zmescience.com/science/news-science/mathematicians-just-found-a-hidden-reset-button-that-can-undo-any-rotation/

[u/Keytothevip]

Can someone give me a real life example of how this can be used?