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11 Inventions That Changed the World as We Know It
science.howstuffworks.com/innovation/inventions/5-funny-inventions-that-changed-the-world.htm
Inventing a useful product or process is serious business - turn a great idea into a marketable widget, and you could earn millions of dollars. But that doesn't mean your widget has to be straitlaced and conservative.
How MagicJack Works
electronics.howstuffworks.com/how-magicjack-works.htm
Can an inexpensive device like a MagicJack really save you money on phone service? Find out how MagicJack works and whether it's the real deal.
How Light Sticks Work
science.howstuffworks.com/innovation/everyday-innovations/light-stick.htm
Light sticks produce a mesmerizing neon glow before slowly extinguishing. Learn about light sticks, chemical light sticks and how they work.
What Is a QWERTY Keyboard?
computer.howstuffworks.com/question458.htm
Why are the keys arranged the way they are on a QWERTY keyboard? Learn why the keys on a QWERTY keyboard are arranged the way they are.
How Hitch Safety Chains Work
auto.howstuffworks.com/auto-parts/towing/equipment/hitch-accessories/hitch-safety-chains.htm
Hitch safety chains allow you to focus on the road and not your hitch. Learn more about hitch safety chains at HowStuffWorks.
How to Turn While Towing
auto.howstuffworks.com/auto-parts/towing/vehicle-towing/maneuvers/turning-while-towing.htm
Turning while towing can be tricky. Learn all about turning while towing at HowStuffWorks.
How Towing Braking Systems Work
auto.howstuffworks.com/auto-parts/towing/equipment/protective-towing/towing-braking-systems.htm
Towing braking systems provide RV drivers the peace of mind that they deserve. Learn all about towing braking systems at HowStuffWorks.
How Gear Ratios Work
auto.howstuffworks.com/gears.htm
Gear ratios are what allow a car to reach a high rate of speed or climb a steep hill. Learn about gear ratios see examples of how gear ratios function.
How Does a GFCI Outlet Work?
home.howstuffworks.com/question117.htm
In my bathroom there is a plug that has a "Test" and a "Reset" button. When I push the "Test" button, it cuts off the current to the outlet. What is this? How is it different from the fuse in the fuse box?
How to Make Paper Instruments
lifestyle.howstuffworks.com/crafts/paper-crafts/paper-instruments.htm
Paper instruments make music lively. Learn to make a banjo box, a small toy drum and a musical bell shaker, all fast and easy crafts for kids.