In October 2020, [Prof. LI Mengying](https://www.polyu.edu.hk/en/me/people/academic-teaching-staff/li-mengying-dr/) started as an Assistant Professor in the Department of Mechanical Engineering of The Hong Kong Polytechnic University with 1 million HKD start-up fund. She will develop an interdisciplinary research program that prompts the utilization of renewable energy resouces especially solar energy. Interested students and postdocs are welcome to contact her at mengying.li@polyu.edu.hk.