Contact: Jason Socrates Bardi
American Institute of Physics
Caption: This video shows how a flat design folds into a cube with the addition of water. The researchers can fold and unfold the cube multiple times without wear, as long at the structure remains wet.
Credit: Journal of Applied Physics/A. Legrain, et. al, University of Twente
Usage Restrictions: This video may be used only with appropriate caption and credit.
Related news release: Just add water: 3-D silicon shapes fold themselves when wetted by microscopic droplets