Pressure-based Touch Screens (IMAGE) DOE/Sandia National Laboratories Caption Sandia National Laboratories technologist Joshua Usher loads a nanoparticle-loaded target in the main power flow section of Veloce, a powerful Sandia pulsed-power generator. 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.