Movie S3.

The snake robot performing differential turning in a sand bed due to an amplitude gradient in the horizontal wave.

Modulation of orthogonal body waves enables high maneuverability in sidewinding locomotion

Henry C. Astley, Chaohui Gong, Jin Dai, Matthew Travers, Miguel M. Serrano, Patricio A. Vela, Howie Choset, Joseph R. Mendelson, David L. Hu, and Daniel I. Goldman

PNAS. 2015. 112:6200-6205 DOI: 10.1073/pnas.1418965112