illustration of salt corrosion (IMAGE) Penn State Caption Molten salt corroded a metal barrier, appearing disconnected on a slice view of the damage (right). Researchers imaged the corrosion in 3D and reconstructed the path the salt took through metal (left). Credit Yang Yang/Penn State Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.