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How Do They Make Marshmallows?
recipes.howstuffworks.com/question128.htm
What is a marshmallow? How do they make marshmallows? And why do they call them 'marshmallows'? Find out in this HowStuffWorks article.
What are vitamins and how do they work?
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/question129.htm
What are vitamins and how do they work? What is the difference between vitamin A and vitamin C, for example? If I don't get enough vitamins, what happens?
How does an air bag work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/question130.htm
How does an air bag work?
How Does a Camera Obscura Device Work?
electronics.howstuffworks.com/question131.htm
A pinhole camera is the simplest camera possible. To get a better understanding of how they work, read more about camera obscura principles.
How does a Miller-cycle engine work?
auto.howstuffworks.com/question132.htm
How does a Miller-cycle engine work?
Could a car run on compressed air?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/question133.htm
A compressed air engine could be used to power a car, if you had a tank large enough to store it. Find out how a compressed air engine could power a car.
What Does the CE Certification Logo Mean?
electronics.howstuffworks.com/everyday-tech/question135.htm
Have you ever noticed the CE certification logo stamped on consumer products and electronics? Find out what this logo says about the product you're buying.
Is it possible to generate electricity directly from heat?
science.howstuffworks.com/environmental/energy/question136.htm
Generating electricity from heat is explained in this article. Learn about generating electricity from heat.
What is root beer?
recipes.howstuffworks.com/question137.htm
What exactly is root beer? Check out this article to learn all about root beer, how it's made, and why it's called "beer" in the first place.