Coffee-Ring Phenomenon Explained in New Theory (image) University of Nevada, Reno Share Print E-Mail Caption Despite a decent amount of server space and speed, assistant professor of mechanical engineering Hassan Masoud, center, his doctoral student Saeed Jafari Kang, right, and post-doctoral fellow Vahid Vandadi opted to write out their many equations long-hand, on dozens of very large pieces of newsprint paper as they modelled a more accurate look at coffee-ring droplet deposition. Credit Photo by Mike Wolterbeek, University of Nevada, Reno. 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.