Engine Blade Inspection (IMAGE) DOE/Sandia National Laboratories Caption Sandia National Laboratories' Mike Bode (retired) uses high-fidelity optics and phased array eddy current methods to inspect the hub of an engine blade for cracks in the dovetail assembly. Credit Photo by Randy Montoya Usage Restrictions None 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.