Louis Madsen, Virginia Tech (IMAGE) Virginia Tech Caption Louis Madsen's research at Virginia Tech focuses on improving advanced polymers for fuel cells and reverse-osmosis water purification by combining detailed analysis of these materials with theoretical understanding. Credit Virginia Tech Photo Usage Restrictions with discussion of Dr. Madsen 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.