Shocking Science! (IMAGE) DOE/Sandia National Laboratories Caption At the "friendly" EMP emitter facility called the ElectroMagnetic Environment Simulator, Sandia National Laboratories researcher Leonard Martinez connects a high-voltage-insulating line that circulates oil between a coaxial transmission line (white tube on the left) and the blue oil-filled transmission horn. Credit Randy Montoya, Sandia National Laboratories Usage Restrictions media only 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.