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How Three-Way Switches Work
home.howstuffworks.com/three-way.htm
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.
Do hybrid cars get power through kinetics?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/hybrid-cars-kinetics.htm
Do hybrid cars get power through kinetics? The short answer is "yes," but learn how a hybrid's brakes provide kinetic power for reuse.
Tool Guide
home.howstuffworks.com/home-improvement/remodeling/tool-guide.htm
The tool guide gives important information about choosing and using the right tool for the job. Find the tool guide at TLC Home.
How Smart Windows Work
home.howstuffworks.com/home-improvement/construction/green/smart-window.htm
With energy bills on the rise, homeowners are looking for new ways to use less power around the house. A cutting-edge window technology called the "smart window" allows consumers to fully or partially block light by turning a knob or pressing a button.
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.
Can I own a plug-in hybrid if my home is old?
auto.howstuffworks.com/car-models/plug-in-hybrids/own-plug-in-hybrid-old-home.htm
Can I own a plug-in hybrid if my home is old? Find out whether buying a plug-in hybrid is a good decision if you live in an old house.
How Green are Automotive Lithium-Ion Batteries?
auto.howstuffworks.com/fuel-efficiency/vehicles/how-green-are-automotive-lithium-ion-batteries.htm
Fossil fuels (like gasoline and diesel) are running out and getting a bad rap for nasty tailpipe emissions -- and rightly so. Learn more about how green are automotive lithium-ion batteries.
10 Reasons Why Tesla Is a Scientific God
science.howstuffworks.com/innovation/famous-inventors/10-reasons-tesla-is-scientific-god.htm
He had patents and pigeons galore. His role in history books could be more. So come ye science fans, and read up on your Tesla facts, myths and lore.
How Amplifiers Work
electronics.howstuffworks.com/amplifier.htm
It may seem like an audio add-on, but without an amplifier, you'd never be able to hear the music on your CDs (your neighbors might be happier, but would you?). Find out how amps pump it up to 11.
How the Venturi Astrolab Works
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/venturi-astrolab.htm
The Venturi Astrolab is a sporty, energy-autonomous concept vehicle. Read about the Venturi Astrolab and learn how it harnesses solar energy.