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How Does a Timing Light Work?
auto.howstuffworks.com/timing-light.htm
How does a timing light work? REad about timing lights and how they help your car run at HowStuffWorks.
How Solar Yard Lights Work
home.howstuffworks.com/solar-light.htm
Solar yard lights generate and store their own power in the day and release it at night. Learn how solar yard lights can illuminate your yard without wiring.
Why Electric Fireplaces Are Hot
home.howstuffworks.com/home-improvement/heating-and-cooling/electric-fireplaces.htm
There's just something about sitting in front of a fire that soothes the soul. And electric fireplaces make whiling the hours away in front of those flickering flames as simple as flipping a switch.
How Light Propulsion Will Work
science.howstuffworks.com/light-propulsion.htm
Like many new technologies, light propulsion was originally conceived as a tool of war and national defense. But the "Star Wars" missile defense system may eventually send rockets, rather than missile-destroying lasers, into space.
How Black Lights Work
science.howstuffworks.com/innovation/everyday-innovations/black-light.htm
Black lights cause everyday objects to glow in the dark. Learn how black lights work and about uses for different types of black lights.
Cars Caught on Camera
play.howstuffworks.com/quiz/red-light-camera-quiz
Red-light cameras may have saved some lives, but they've also stirred up more controversy than any other traffic control device on the roads to date. Test your red-light camera knowledge with our quiz.
How Light Pollution Works
science.howstuffworks.com/environmental/green-science/light-pollution.htm
Light pollution is explained in this article. Learn about light pollution.
How Electric Aircraft Work
science.howstuffworks.com/environmental/green-tech/sustainable/electric-aircraft.htm
Electric aircraft are explained in this article. Learn about electric aircraft.
How Automotive Warning Lights Work
auto.howstuffworks.com/under-the-hood/vehicle-maintenance/automotive-warning-lights.htm
Automotive warning lights signal a number of problems. Learn more about automotive warning lights at HowStuffWorks.
How LED Light Bulbs Work
science.howstuffworks.com/environmental/green-tech/sustainable/led-light-bulb.htm
LED light bulbs have taken over the market. But what are their pros and cons?