Dynamic Window (image) Cell Press Share Print E-Mail Caption This photograph shows a smart window prototype dimming in response to electricity. This window is notable for possessing neutral color, high contrast, and excellent durability. Credit Barile et al./Joule 2017 Usage Restrictions Credit Required. Share Print E-Mail 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.