saltgrowth1 (IMAGE) Washington State University Caption Optical microscopy of salt growth on a glass surface. Ribs at the top left of the image are a very thin film of salt forming on the surface. Credit WSU Usage Restrictions none 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.