'Frosted' Window for Privacy (IMAGE) University of Cincinnati Caption Window tinting can turn milky for privacy while still allowing 90 percent or more of sunlight to enter. Credit Courtesy of Tim Zarki, University of Cincinnati 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.