Tiny (image) University of Illinois College of Engineering Caption This is an image of the Illinois "Block I" logo recorded by the plasmonic film. Each bar in the letter is approximately 6 micrometers. Credit Toussaint Research Group Usage Restrictions None 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.