Nanofluid Changing Shape (IMAGE) Rensselaer Polytechnic Institute Caption The contact angle of a droplet of nanofluid solution changes when exposed to an electric field. The phenomenon could lead to new types of miniature camera lenses, cell phone displays and other microscale fluidic devices. Credit Rensselaer/ Borca-Tasciuc & Ramanath Usage Restrictions Please include photo credit 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.