To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. Actuation mechanisms of the robotic Kresling unit Stretchable origami robotic arm with omnidirectional bending and twisting Shuai Wu, Qiji Ze, Jize Dai, Nupur Udipi, Glaucio H. Paulino, and Ruike Zhao PNAS. 2021. 118:None-None DOI: 10.1073/pnas.2110023118 Download Original Video Browse All Videos »