Yuki Nagahama (IMAGE) Optica Caption Yuki Nagahama from the Tokyo University of Agriculture and Technology developed the smartphone-based digital holographic microscope. Credit Yuki Nagahama, Tokyo University of Agriculture and Technology Usage Restrictions None 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.