Defying Gravity (IMAGE) University of Pittsburgh Caption The research team was able to make the azo-LCN film ascend a 15° incline. Credit Wie, J. J. et al. Photomotility of polymers. <i>Nat. Commun</i>. 7, 13260 doi: 10.1038/ncomms13260 (2016). Usage Restrictions None 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.