Erica Calman and Chelsey Dorow (IMAGE) American Institute of Physics Caption Erica Calman and Chelsey Dorow align optics required to collect measurements from a molybdenum disulfide sample. Credit Calman Usage Restrictions This image may be used only with appropriate caption and credit. 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.