CU Boulder Knotwork (IMAGE) University of Colorado at Boulder Caption Using lasers, physicists assembled multiple knots together within a liquid crystal solution to form the CU Boulder logo. Credit Smalyukh lab 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.