Image (IMAGE) Higher Education Press Caption Microprobe device based on WGM for ultrasound sensing. Credit Jialve Sun, Shengnan Huangfu, Tinglan Chen, Zijing Cai, Bowen Ruan, Fangxing Zhang 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.