Sal Kahn aims to “empower everyone, everywhere with a free, world-class education” through his straightforward 10 – 15 minute tutorial videos comprised of simple graphics and personable narration. This particular collection contains eight such videos and mainly focuses on electrostatics. THe videos include topics on charge, Coulomb’s Law, potential energy, voltage and capacitance. The content is suitable for a high school or college course in physics. This is excellent primary material for long distance learning, or rich supplementary material for any physics course.