stm-nanosocale-16x9 (IMAGE) DOE/Argonne National Laboratory Caption Scientists used this scanning tunneling microscope at Argonne’s Center for Nanoscale Materials to create and characterize artificial graphene nanoribbons. Credit (Image by Argonne National Laboratory.) Usage Restrictions Original content 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.