X-Ray Spectroscopy Image of Micromotors (IMAGE) University of California - San Diego Caption This is an energy-dispersive X-ray spectroscopy data of elemental zinc in the micromotors. Credit Jacobs School of Engineering/UC San Diego Usage Restrictions Please credit Jacobs School of Engineering/UC San Diego 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.