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How Vampire Power Works
electronics.howstuffworks.com/everyday-tech/vampire-power.htm
Vampire power, also known as standby power, refers to the power gadgets waste just by being plugged in. Learn how vampire power sucks your wallet dry.
How Inductors Work
electronics.howstuffworks.com/inductor.htm
An inductor is little more than a coil of wire. Sound simple? Well, it is -- but that coil of wire can do some pretty cool things! Learn all about inductors!
How Relays Work
electronics.howstuffworks.com/relay.htm
Powered by electromagnets, a relay is simply a mechanical switch, and you'll find them all over a typical house or car. Find out what these simple components are doing in all your electrical stuff.
How Stun Guns Work
electronics.howstuffworks.com/gadgets/other-gadgets/stun-gun.htm
Stun guns fall into the category of non-lethal weaponry -- they can incapacitate a person without causing permanent damage. Find out how different types of stun guns work to immobilize their target.
How Solar Battery Chargers Work
electronics.howstuffworks.com/gadgets/travel/solar-battery-chargers.htm
Solar battery chargers are popular automotive gadgets. Learn more about solar battery chargers at HowStuffWorks.
How Batteries Work
electronics.howstuffworks.com/everyday-tech/battery.htm
Batteries power the appliances you use daily. Check out battery experiments, the history of batteries, battery reactions and the chemistry behind battery power.
What Is the Difference Between Two- and Three-pronged Plugs?
electronics.howstuffworks.com/everyday-tech/question110.htm
Some appliances use three prongs to connect to an outlet, while others only use two. Learn the difference between two- and three-pronged plugs.
How Do Wireless Chargers Work?
electronics.howstuffworks.com/gadgets/other-gadgets/wireless-mobile-charger.htm
Although we love our mobile gadgetry, all those charging cords are annoying to keep up with and carry around. Does it ever make you wonder, how do wireless chargers work? Find out how wireless chargers ditch the cables and power up your gear!
How Surge Protectors Work
electronics.howstuffworks.com/gadgets/home/surge-protector.htm
One piece of equipment you need at home is a surge protector. They safeguard your high-tech electronic devices from power surges. But how do you know which ones are best?
What's a voice coil on a speaker?
electronics.howstuffworks.com/voice-coil-speaker.htm
A voice coil is an electromagnet. Learn how a voice coil works on a speaker in this article.