researcher photo (IMAGE) Rice University Caption James Tour is the T. T. and W. F. Chao Professor of Chemistry and a professor of materials science and nanoengineering. (Photo by Jeff Fitlow/Rice University) Credit Photo by Jeff Fitlow/Rice University Usage Restrictions Must credit Jeff Fitlow/Rice University. License Original 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.