Videos of Muscular Thin Films from the supporting online material for:
Muscular Thin Films for Building Actuators and Powering Devices
Feinberg AW, Feigel A, Shevkopylas SS, Sheehy SP, Whitesides GM and Parker KK. Science 7 September 2007: Vol. 317, no. 5843, pp 1366 - 1370.