(Attitude + Tutor = Attitutor)
Mission: Enthusiastic human beings living passionate lives in a joyful society.
My name is Don Berg. I am a deeper learning advocate, author, and teacherpreneur (entrepreneurial teacher).
18 May 2010
Differential Gear Explained From First Principles
This is a old fashioned black and white educational film. Not at all sexy, but gives a thorough step-by-step explanation.