I am physicist and materials science and mechanical engineer by training. I received my Ph.D. from the mechanical engineering department at Rice University. I have started to be a math tutor to the forth grade students when I was in my bachelor degree and continued to be a high school tutor since then. Aha moment (student understanding moment) has been a great pleasure and reward for me which contribute to my personal growth and development. During my career, I learn to make my class enjoyabl...