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How to Repair an Oven
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Gas and electric ovens operate fairly simply, and their components are designed for quick disassembly. Learn to service and repair them.
How Cameras Work
electronics.howstuffworks.com/camera.htm
Cameras and photography have transformed how we see the world. Learn about cameras, photography, how 35mm cameras work and about making a homemade camera.
How 3-in-1 Flashlights Work
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3-in-1 flashlights make blackouts and camping a lot more convenient. Visit HowStuffWorks to learn all about 3-in-1 flashlights.
Why Do Wint-O-Green Life Savers Spark in the Dark?
recipes.howstuffworks.com/question505.htm
Maybe you've tried this game of biting down on a wintergreen candy in the dark and looking in the mirror and seeing a spark. Where do those sparks come from?
How CFL Bulbs Work
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CFL bulbs are eco-friendly alternatives to traditional bulbs. Visit HowStuffWorks to learn about CFL bulbs.
Why do CDs reflect rainbow colors?
electronics.howstuffworks.com/question52.htm
Like soap bubbles and grease slicks, CDs reflect rainbow colors. What makes this happen?
How Does a Fresnel Lens Work? The Magic Behind the Glass
science.howstuffworks.com/question244.htm
I have a thin piece of plastic mounted on the back window of my RV. It magnifies things so I can see better when I'm backing up. How can such a thin piece of plastic magnify things? A regular glass magnifying lens would have to be curved on both sides and much thicker.
How the Lytro Camera Works
electronics.howstuffworks.com/cameras-photography/digital/lytro-camera.htm
The Lytro camera lets viewers focus on different aspects of a photo after it has been taken. See how the Lytro camera works.
How Laser Weapons Work
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Laser weapons have been depicted in science fiction for years, but they do exist in real life. Learn more about laser weapons.
How Photographic Film Works
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Photographic film has been around for more than a century, and it's still the best way to capture an image. Discover what's going on when you take a picture.