Wing Color Differences (IMAGE) Georgia Institute of Technology Caption An optical microscope image of coated butterfly wing scales show color differences related to the thickness of the deposited alumina. Credit Image courtesy Zhong Lin Wang. 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.