This paper explores the emergence of propagating kinks in purely dissipative kirigami, leveraging viscoelasticity to achieve shape-changing functionalities. By creating kirigami that changes shape depending on stretching speed, the authors observe a snapping instability leading to a propagating diffusive kink, mimicking biological systems like *Mimosa Pudica*. This diffusive kink is then harnessed for sensing, dynamic shape morphing, object transport, and manipulation, demonstrating the potential of kirigami as a platform for basic machine-like functionalities.
Publisher
Nature Communications
Published On
Feb 10, 2024
Authors
Shahram Janbaz, Corentin Coulais
Tags
kirigami
viscoelasticity
shape-changing
propagating kink
sensing
dynamic morphing
object manipulation
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