Author(s): Yoav Lahini, Omer Gottesman, Ariel Amir, and Shmuel M. Rubinstein
Crumpled sheets “remember” the application and removal of a force for days, a newly discovered memory effect that suggests crumpled sheets are a lot like glasses.

[Phys. Rev. Lett. 118, 085501] Published Tue Feb 21, 2017