Scientists Measure Soot Particles in Flight (2 of 2) (image) Helmholtz Association Share Print E-Mail Caption This is the diffraction pattern of a mixed salt/soot aerosol particle. Credit Duane Loh et al. Usage Restrictions Free for use when reporting about the featured scientific paper and if credit is given. 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.