Ravi Kumar, University of Strathclyde (IMAGE) University of Strathclyde Caption This is professor Ravi Kumar of the University of Strathclyde. Credit University of Strathclyde 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.