Diffusive kinks turn kirigami into machines

Index

Abstract

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

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