Movie S5. High-power electro-ribbon actuator. (Electro-origami)

A high-specific-power, high-power-density electro-ribbon actuator oscillates a 1033 g mass at a frequency of 6.9 Hz. Applied voltage is 9 kV. Average and peak specific power are and W kg-1 respectively, exceeding mamillian muscle (typically average 50 W kg-1).