I would second that, Vi Hart's work is wonderful. Though her father's work is also awesome: http://blog.makezine.com/archive/2009/12/introducing_math_monday.htm

I would second that, Vi Hart's work is wonderful. Though her father's work is also awesome: http://blog.makezine.com/archive/2009/12/introducing_math_monday.html http://blog.makezine.com/archive/2009/12/introducing_math_mo...