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How do self-cleaning ovens work?
recipes.howstuffworks.com/tools-and-techniques/question559.htm
Self-cleaning ovens use a temperature cycle to burn off spills from baking, without the use of any chemicals. Learn more about self-cleaning ovens.
What Are Dual Overhead Cams?
auto.howstuffworks.com/question562.htm
What does it mean when a car has dual overhead cams? Does it matter? Is a car with dual overhead cams better than one with single overhead cams?
How are Crayons and markers made?
science.howstuffworks.com/innovation/science-questions/question563.htm
Crayola crayons have nurtured childhood creativity and remained safely edible for over 100 years. Now learn their story- how they originated in the 19th century, how they've changed, and we'll even tell you how old that familiar label is.
Biting on aluminum foil can be painful. Why?
science.howstuffworks.com/question564.htm
Biting on aluminum foil can be painful -- basically, when you bite on foil, you build a battery in your mouth. Ouch!
What are electrolytes?
health.howstuffworks.com/wellness/diet-fitness/information/question565.htm
Electrolytes are ions that are electrically charged and can be found in many sports drinks. Learn more about electrolytes and their uses.
How Does 'Bulletproof' Glass Work?
science.howstuffworks.com/question476.htm
In a lot of movies you see windows that are 'bulletproof.' Does bulletproof glass really exist, and if so, how does it work?
How Much Coal Is Required to Run a 100-watt Light Bulb 24 hours a Day for a Year?
science.howstuffworks.com/environmental/energy/question481.htm
Where electricity is produced from a coal fired power station, how much coal is required to run a 100-watt light bulb 24 hours a day for one year?
What makes you dizzy when you spin?
science.howstuffworks.com/science-vs-myth/question483.htm
Dizziness happens when the part of your body that detects motion sends the wrong signals to your brain. Find out what causes dizziness when you spin.
What are Gouraud shading and texture mapping in 3-D video games?
electronics.howstuffworks.com/question484.htm
If you look at the description of some 3-D video games, you'll see references to Gouraud shading or texture mapping. Learn what these terms mean.
How big does a meteor have to be to make it to the ground?
science.howstuffworks.com/question486.htm
How big is a shooting star? Do they land on earth or do they burn up? Learn how what tiny particles of space dust have to do with meteors.