Nanobridge Researchers (IMAGE) Johns Hopkins University Caption Assistant Professor Rebecca Schulman, left, and postdoctoral fellow Abdul Mohammed used this single-molecule fluorescence microscope to track the nanotube bridge formation process. Credit Will Kirk/Johns Hopkins University 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.