How Burglar Alarms Work Burglar alarms have become more and more important in both businesses and homes. Find out how they work!
How Clothes Dryers Work - A dryer is actually an incredibly simple device once you get inside. Learn about all the different parts of a dryer and how they fit together!
How Doorbells Work - Who is it? Who? Find out exactly what happens when someone rings your doorbell -- you might be surprised at what produces the ding, the dong, the buzz and the chime!
How Home Thermostats Work - In these days of rising energy prices, you might be interested to know how your thermostat works. See one taken apart and explained.
How House Construction Works - Ever wonder what's involved in building a house? Find out about everything from the foundation to the roof and see how a chunk of land ends up with a home on it!
How Nail Guns Work If you're building a house or installing hardwood floors, a nail gun is just the thing you need! Learn about the inner workings of this time and thumb saver.
How Refrigerators Work - You often hear its motor whirring, but do you know how your refrigerator works? Learn more.
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 Smart Windows Will Work - New technologies are being developed to make windows that save energy and money. Learn more about how smart windows will work.
How Smoke Detectors Work - Many smoke detectors use nuclear radiation. Learn all about the two most common types of home smoke detectors!
How Three-Way Switches Work - You probably have at least one light that is controlled by two separate switches. Either switch can turn it on or off -- find out how the light knows what to do with two sources of input!
How Toilets Work - Put aside your mental block for a moment and learn about this amazing water-handling device!
How Washing Machines Work - A washing machine is actually an amazing device once you get inside. Learn about the agitator, the pumps, the controller and much more!
How Water Heaters Work - You probably don't give it much thought until the shower goes cold, but water heaters are part of our daily lives. Find out how they produce hot water -- and what may be wrong if they don't.