Snapshots of perturbations (IMAGE) Lehigh University Caption Snapshots of the perturbations with full elastic recovery and instability at t = 0 , @ t = EP threshold, and @ t = end of the experiment. Credit Turbulent Mixing Laboratory/Lehigh University Usage Restrictions Credited, contextual use only 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.