Chip (IMAGE) University of Münster Caption The optical microchips that the researchers are working on developing are about the size of a one-cent piece. Credit WWU Muenster - Peter Leßmann Usage Restrictions Please use this picture only in connection with the press release. 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.