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The title says it all: this blog features physics videos found everywhere on the web: animations, demonstrations, lectures, documentaries.
Please go here if you want to suggest other nice physics videos, and here if I mistakingly infringed your copyrights. If you understand French, you'll find a huge selection of physics videos in French in my other blog Vidéos de Physique.

Saturday, 1 October 2011

How a Capacitor Works - by Dr. Oliver Winn

Diagrams, graphics with explanation by Dr. Oliver Winn - pioneer in GE's capacitor and battery technologies. Electrolytic and Dielectric Capacitors explained, how its made using polypropylene. electrons enter the top plate creating a negative charge, this repels electrons in the bottom plate, energy is stored in the dielectric via the field. Dr. Winn worked in Fort Edward/Hudson Falls and Columbia, South Carolina GE plants. His work improved the efficiency of capacitors by 3x while reducing production cost. They made their own aluminum foil and plastics.

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