草民潘恩

Engineer, Scientist and author. I am a 1st generation immigration in the U.S. I write about history, science, culture and interesting things I learn. I review books occasionally. 工程师，作者，思考者。 第一代美国移民。为摆脱高学历文盲的身份，阅读、写作，思考。偶尔撰写书评。