Time Crystal (IMAGE) University of Texas at Austin Caption Researchers have created the world's first time crystal, an exotic state of matter that combines the rigidity of an ordinary crystal with a regular rhythm in time. Credit E. Edwards/JQI 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.