Time Crystal (IMAGE) TU Dortmund University Caption What looks like a flame is the measurement of the new time crystal: Each point corresponds to an experimental value, resulting in different views of the periodic dynamics of the nuclear spin polarization of the time crystal. Credit Alex Greilich/TU Dortmund University Usage Restrictions Editorial use permitted in connection with reporting on the publication: https://www.nature.com/articles/s41567-023-02351-6 License Original 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.