@article {324011, title = {Buckling of Elastomeric Beams Enables Actuation of Soft Machines}, journal = {Advanced Materials}, volume = {27}, year = {2015}, pages = {6323-6327}, author = {Dian Yang and Mosadegh, Bobak and Alar Ainla and Benjamin Lee and Fatemeh Khashai and Zhigang Suo and Katia Bertoldi and Whitesides, George M.} }