Superconducting Graphic (IMAGE) Johns Hopkins University Caption This illustration depicts a short row of vortices held in place between the edges of a nanowire developed by Johns Hopkins scientists. Credit Nina Markovic and Tyler Morgan-Wall/JHU 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.