Solitions 1 (IMAGE) Universiteit van Amsterdam Caption The robotic metamaterial with a soliton and anti-soliton lying at the boundaries between left- and right-leaning sections of the chain. Each blue rod is connected to its neighbours with pink elastic bands, and a little motor under each rod makes the interactions between neighbouring rods non-reciprocal. Image credit: Jonas Veenstra. Credit UvA Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.