Exploring Layered Fluids (IMAGE) Princeton University, Engineering School Caption Princeton researchers explore the nature of tiered fluids such as cafe latte. Credit Sameer Khan/Fotobuddy Usage Restrictions non-commercial use License Licensed 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.