Figure 2 (IMAGE) Tohoku University Caption A series of photographs taken at one-second intervals for the solutions of (a, b) VOP and (c, d) HVP. A pearlescent luster fluctuating along the flow of the solution can be observed. Credit Shu Yin et al Usage Restrictions Reporters may use these materials freely in news coverage with appropriate credit information. 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.