Flat Design Folding into a Cube (video) American Institute of Physics Loading video... 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. 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.