Loading Coatings (IMAGE) DOE/Sandia National Laboratories Caption Physicist Chad McCoy at Sandia National Laboratories’ Z machine loads sample coatings into holders. When Z fires, researchers will observe how well particular coatings protect objects stacked behind them. Credit Bret Latter, Sandia National Laboratories Usage Restrictions news media 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.