Nanotechnology (IMAGE) Virginia Tech Caption Michael Hochella, a professor of geoscience in the College of Science at Virginia Tech, studies a sample using a transmission electron microscope at the Nanoscale Characterization and Fabrication Laboratory. Credit Virginia Tech 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.