Soot Particle (image) Washington University in St. Louis Share Print E-Mail Caption Soot particles remain suspended in the atmosphere as coated with organic matter. This coating results in non-linear enhancement of solar light absorption and subsequent heating of the surrounding air by these particles. Credit Chakrabarty Lab and Lisa Wable Usage Restrictions Use allowed with credit 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.