Chunlei Guo, University of Rochester (IMAGE) University of Rochester Caption Chunlei Guo uses the femtosecond laser (behind him) to create nanostructures in metal that can move liquid uphill. Credit Richard Baker, University of Rochester Usage Restrictions None 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.