Coated Pane (IMAGE) ETH Zurich Caption In the ETH lab, shining a light through the center of a transparent pane coated with nanoparticles prevents the lit area from fogging. Credit ETH Zurich / Christopher Walker 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.