How Cable Television Works - Millions of homes in America receive their television signal through a cable TV connection. Learn how the cable system developed and how it works today!
How Circuit Breakers Work - A circuit breaker is critical to any home wiring system. Without it, the risk of fire would skyrocket. Learn how a circuit breaker keeps your home's electricity in check.
How Hydropower Plants Work More than 1 billion people get their electricity from hydropower plants. Find out how flowing water gets turned into electrical current!
How Landfills Work - Each day we all contribute something to the local landfill without even thinking about it. Learn what happens to trash after you throw it away!
How Power Distribution Grids Work - The next time you see power lines, you will know how they work!
How Sewer and Septic Systems Work - Care to know what happens after you flush? Find out where wastewater goes and how it's treated before it flows into a river near you!
How Telephones Work - The telephone in your house is an amazingly simple device. Learn how your phone and the telephone network let you call people around the block and around the world.
How Water Towers Work - There are power outages all the time -- but water outages? Find out how the design and location of water towers keep that water flowing!