Breakthrough Method for Aluminum Surfaces (IMAGE) Rice University Caption Aluminum coupon samples patterned with alternating stripes of smooth (lighter) and etched (darker) topographies display contrasting wettability. Credit Geoff Wehmeyer/Rice University. Usage Restrictions With credit to the original source 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.