Liquid Crystal Patterns (IMAGE) University of Pennsylvania Caption Research led by researchers at the University of Pennsylvania demonstrated that not only could patterns on liquid crystals be controlled at nanoscales, but the changes could be visible without microscopes. Credit Lisa Tran Usage Restrictions contact for permission to use 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.