Lightning strike voltage testing (IMAGE) DOE/Oak Ridge National Laboratory Caption A wind turbine blade tip made using ORNL-developed carbon fiber emerged pristine when tested in a lab against high-voltage jolts of simulated lightning. Credit Vipin Kumar/ORNL, U.S. Dept. of Energy Usage Restrictions N/A 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.