Later, Yao joined Ning’s research group when Ning was a professor at Penn State, and now is completing his Ph.D. with Ning back at Illinois again. Journal Extreme Mechanics Letters ...
"Multifunctional bistable ultrathin composite booms with flexible electronics," by Yao Yao and Xin Ning from Illinois, Juan Fernandez from NASA Langley Research Center and Sven Bilén at Penn ...