Trajectories of Particles (image) National Science Foundation Share Print E-Mail Caption This figure shows the trajectories of particles (e.g. a contaminant) released very closely together in an evolving turbulent field. It shows that the particle paths differ significantly. So when a sensor detects a signal, it has been Credit Tamer Zaki, Johns Hopkins University Usage Restrictions None Share Print E-Mail 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.