Water Droplet (IMAGE) American Institute of Physics Caption University of Rochester Institute of Optics professor Chunlei Guo has developed a technique that uses lasers to render materials hydrophobic, illustrated in this image of a water droplet falling off a treated sample in his lab Credit J. Adam Fenster/University of Rochester Usage Restrictions This image may be used only with appropriate caption and 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.