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How do they figure out the number of calories in a recipe?
recipes.howstuffworks.com/tools-and-techniques/recipe-calories.htm
Is determining it as simple as adding up the calories in the ingredients and dividing them by the number of servings? Or does the cooking (or even the digestive process) change the final calorie count?
How the Machine Gun Revolutionized Warfare
science.howstuffworks.com/machine-gun.htm
The invention of the machine gun forever changed the battlefield. While soldiers once had to reload after a single shot, they now can fire hundreds of rounds per minute without a single pause.
How Slot Machines Work
entertainment.howstuffworks.com/slot-machine.htm
Slot machines are a popular form of gambling. Learn about modern slot machines and old mechanical models and find out the odds of winning on slot machines.
What Is ESP? How ESP Works
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/esp.htm
Have you ever had a dream that came true? Or called a friend at the exact moment he was calling you? Most of us have had some sort of paranormal experience. Is this evidence of the existence of ESP?
Where Is the Hubble Telescope and How Does It Work?
science.howstuffworks.com/hubble.htm
The Hubble Space Telescope is one of the most amazing machines in orbit right now. Learn more about the Hubble Space Telescope and how it works.
How Prenatal Testing Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/issues/prenatal-testing.htm
During a pregnancy, different kinds of prenatal testing are an important part of the process. See how prenatal testing protects both the mother and child.
How Internet Cookies Work
computer.howstuffworks.com/cookie.htm
Cookies are used by Web sites to keep track of their visitors. Are cookies letting Big Brother into your PC? Find out what Internet cookies are.
How Home Thermostats Work
home.howstuffworks.com/home-thermostat.htm
Thermostats are in every household, but have you ever wondered how they work? Learn about thermostats and take a look inside a home thermostat.
How Forensic Dentistry Works
science.howstuffworks.com/forensic-dentistry.htm
Forensic dentistry, also known as forensic odontology, is a way of identifying people by their teeth. Forensic dentistry encompasses bite-mark analysis.
How Computer Animation Works
entertainment.howstuffworks.com/computer-animation.htm
Computer animation makes possible many things that could not be done with traditional animation. Learn about this fast-growing field from HowStuffWorks.