How To: Make an electrophorus and use it to create electricity from your cat

An electrophorus is a type of capacitor that generates electrostatic energy. Most of you probably know this force as static electricity, the domain of door handles and polyester shirts. It can be used for all sorts of other fun science experiments though, and this video will show you how an old hard drive, some plastic, Styrofoam, foil, a cat, and other simple materials can be used to make a a simple functioning electrophorus.