During his studies in the US, Yen had found that it was very difficult for Oriental scholars researching Western topics to understand the relevant cultural background, and he resolved thereafter to concentrate his own studies on ancient Chinese technology.
在美國讀書的時候，顏鴻森就明白東方人研究西方的東西，文化背景難深入，而決定未來的研究一定要與中國古科技有關。