Automated Lighting: The Art and Science of Moving Light in Theatre, Live Performance, Broadcast, and Entertainment

Chapter 4

DC Electricity

 

Benjamin Franklin proved an important scientific point, which is that electricity originates inside clouds. There, it forms into lightning, which is attracted to the earth by golfers. After entering the ground, the electricity hardens into coal, which, when dug up by power companies and burned in big ovens called “generators,” turns back into electricity, which is sent in the form of “volts” (also known as “watts,” or “rpm” for short), through special wires with birds sitting on them to consumers’ homes, where it is transformed by TV sets into commercials for beer, which passes through the consumers and back into the ground, thus completing what is known as a “circuit.”—Dave Barry

One of the keys to understanding ...