How Aerosol Cans Work - They dispense everything from hairspray to cleaning products to whipped cream -- now learn how aerosol systems work!
How Air Conditioners Work - When the summer heat sets in, the air conditioner reclaims its spot as top appliance. Learn how air conditioners cool the whole place down.
How Ballpoint Pens Work - Before the ballpoint pen, writing was a pretty involved task. Find out how the ballpoint stores and manages its own ink supply to make writing a snap.
How Batteries Work - Batteries are all over the place -- in our cars, our PCs, our cell phones... Find out all about batteries, from the basic concept at work to the actual chemistry going on inside!
How Bicycles Work - Bicycles are incredibly simple machines, and the "inner" workings are right out in the open for you to see! Find out how all those parts work together.
How Burglar Alarms Work Burglar alarms have become more and more important in both businesses and homes. Find out how they work!
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 Christmas Lights Work - If you've ever been standing in your living room with a strand of Christmas lights that just won't work, you'll love this article! Learn what's going on so you can fix it yourself!
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 Coffee Makers Work - For many, the morning depends on it. But for all the minutes spent watching the coffee drip...drip...have you ever wondered what's going on inside the coffee maker? Find out!
How Cordless Telephones Work Cordless phones have been around for about 20 years, but lately have gotten a lot more sophisticated -- it seems like you need a Phd to buy one! Learn how cordless phones work and what you need to know to buy the best one for your home!
How Digital Clocks Work - Ever wonder what goes on inside a digital clock or wristwatch? Find out about this basic digital technology -- and learn how to create your own digital clock!
How Digital Picture Frames Work - It's the perfect gadget for sharing digital photos with the computerless. Find out how digital picture frames work.
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 Emergency Power Systems Work - Most of us are entirely dependent on electricity. Learn about the generators and inverters that can put an end to home power failures.
How Espresso Machines Work - Espresso and its derivative drinks have become very popular in America. Watch us take apart an espresso machine.
How Fire Extinguishers Work - Normally, your fire extinguisher sits on the wall collecting dust, but it could end up saving your life. Find out how these devices kill the flames.
How Fluorescent Lamps Work - Fluorescent lighting is one of the most widely used techologies today -- it's in offices, homes, dressing rooms... Find out what's going on inside those glowing tubes!
How Gas Lanterns Work - Do you have one of those crazy lanterns that burns white gas? Find out how they work, and why they need to have radioactive mantles!
How Grills Work - Burgers, veggies, chicken and BBQ sauce. Summer is prime grilling season! Fire it up to find out how those treats get so tasty!
How Hair Dryers Work Hair dryers are incredibly popular home appliances. See what is going on inside yours!
How Home Dry Cleaning Works - You are seeing lots of ads for the new home dry-cleaning systems right now. Learn how they work and if they are right for you!
How Home Networking Works - Do you own more than one computer? Want them to talk to each other? Learn how to network computers to share files, a printer and an Internet connection.
How Home Theater Works - Want to FEEL that jet fly across the TV screen? Learn about the components of a home theater and how to put it all together to create the system that's right for you!
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 Humidifiers Work - Does your throat feel like sandpaper when you wake up? It could be the ultra-low humidity. Find out how humidifiers moisten the air!
How Icemakers Work - If you still use ice trays, you surely dream of an icemaker every time you crack, use and refill. See how icemakers do all the work for you!
How Light Bulbs Work The light bulb hasn't changed a whole lot in its 120 years -- the original design was just that good. Learn how this amazing, amazingly simple device creates light at the flip of a switch.
How Liquid Motion Lamps Work - The liquid motion lamp has been a cultural icon since the 1960s. It can be absolutely mesmerizing. Learn the chemistry behind the transfixion!
How Lock Picking Works - The basic process of picking a lock is actually very simple, but it takes a lot of practice to do it successfully. Explore the fascinating technology of locks and keys!
How Microwave Ovens Work - Learn all about microwave ovens!
How PCs Work - Curious to know what's going on inside that ever-present PC? Here's your chance! Examine a personal computer from boot-up to shut-down!
How Pendulum Clocks Work - The pendulum clock uses the simplest principles to keep incredibly accurate time. Discover what makes the pendulum such a great timekeeper!
How Pop-Up Turkey Timers Work - Many of the turkeys sold in the U.S. for Thanksgiving come with a cool little piece of technology -- the pop-up timer! Learn how pop-up timers know (and tell you) when the turkey is done!
How Radon Works - In places where uranium is common in the soil, Radon is something that you hear about in the news all the time. Even though radon is "completely natural", it can be a real health hazard! Learn about how radon forms and why it is so dangerous!
How Relays Work - There are relays all over your house and car -- you'll find them in home appliances, thermostats and even power windows. Learn what they're doing!
How Sewing Machines Work - The sewing machine took a time-consuming, laborious task and made it fast and easy. Find out what goes on inside this ingenious device and check out the high-tech upgrades!
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 Sunglasses Work - For some of us, summer is already here -- time to break out the sunglasses. But are they really protecting your eyes? Find out if those $10 sunglasses are as good as the high-cost ones.
How Surge Protectors Work - Can surge protectors protect your computer and home entertainment system from voltage surges? Find out how they work and what you should look for when buying!
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 Television Works - It's nearly guaranteed that your home has one or more TVs -- now you can understand how they work! Learn about direct-view, digital and satellite TV )plus computer monitors)!
How Thermometers Work - Thermometers are used in everything from medicine to cooking. Find out how thermometers gauge temperature and learn how to make your own!
How Thermoses (Vacuum Flasks) Work - How can the same device keep hot things hot and cold things cold? Find out what goes on inside a Thermos!
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 Toasters Work - Ever wonder how the toaster knows the bread is done? Or does it pop it up regardless? Find out all about the device that browns your bread.
How Toilets Work - Put aside your mental block for a moment and learn about this amazing water-handling device!
How UPC Bar Codes Work - Every product at the supermarket has a UPC bar code. Find out what these codes do and how you can decode them without a scanner!
How Vacuum Cleaners Work - Think vacuum cleaners are simple? There's a lot going on inside these devices -- learn how they suck up the dirt (and whatever else finds its way onto your floor).
How Video Game Systems Work - Video game consoles are complex computer systems specialized for game playing, and they can do some incredible things. Learn about game consoles from the inside out.
How Zippers Work - As far as fastening mechanisms go, the zipper is a work of art. Learn exactly what components make up a zipper and how they fit together so perfectly.
Inside a Bathroom Scale - We take apart a bathroom scale and discover levers in action!
Inside a Combination Lock - We take apart a combination lock to unlock its secrets!
Inside a Smoke Detector - We take apart an ionization smoke detector!
Inside a TV Remote Control - We take apart a TV's remote control and find a printed circuit board!
Inside a Wind-up Alarm Clock - We take apart a classic wind-up alarm clock and find a ton of gears!
Inside an Electric Razor - We take apart an electric razor and find a close shave!