HKU PERfECT (IMAGE) The University of Hong Kong Caption The PERfECT System – an acronym for Personalised Electronic Reader for Electrochemical Transistors – is the world’s smallest system of its kind. Credit The University of Hong Kong Usage Restrictions N/A License Original 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.