Image (IMAGE) DOE/SLAC National Accelerator Laboratory Caption SLAC scientist Johanna Nelson Weker works on a beam line inside of SSRL that focuses on battery research. Credit (Jacqueline Ramseyer Orrell/SLAC National Accelerator Laboratory) Usage Restrictions See credit 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.