A Chain of Unit Cells (IMAGE) University of Washington Caption Inspired by the paper folding art of origami, a University of Washington team created a paper model of a metamaterial that uses 'folding creases' to soften impact forces and instead promote forces that relax stresses in the chain. Credit Kiyomi Taguchi/University of Washington Usage Restrictions For reuse with appropriate credit License Licensed content 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.