TIffany Kaspar, PNNL (IMAGE) DOE/Pacific Northwest National Laboratory Caption NNL materials scientist Tiffany Kaspar uses a molecular beam epitaxy system to develop and explore ultra-thin films that could have far-reaching effects on a variety of applications. Credit Photo by Andrea Starr | Pacific Northwest National Laboratory Usage Restrictions None 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.