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How Does Santa Make It Around the World in One Night?
people.howstuffworks.com/culture-traditions/holidays-christmas/santa-around-world.htm
Santa's journey around the world takes some amazing technology in order for him to make it around the world in one night. Learn about Santa's journey.
How Much Do You Really Know About HVAC?
play.howstuffworks.com/quiz/how-much-do-you-know-hvac
HVAC professionals help us stay warm or cold on the days we need it most. Think you can keep your cool on this quiz? Take it to find out!
How Drum Brakes Work
auto.howstuffworks.com/auto-parts/brakes/brake-types/drum-brake.htm
Many cars today use drum brakes on the back two wheels. Get the complete scoop on drum brakes and check out some amazing graphics!
How Much Oxygen Does a Person Consume in a Day?
health.howstuffworks.com/human-body/systems/respiratory/question98.htm
How much oxygen does a person consume in a day?
The Engine Quiz for Auto Experts
play.howstuffworks.com/quiz/the-engine-quiz-for-auto-experts
When you lift the hood of your car, do you see a finely tuned piece of machinery made up of pistons and cylinders, or just a jumble of metal and wires? If you know an engine like the back of your own hand, take the quiz and prove it!
How Ballpoint Pens Work
home.howstuffworks.com/pen.htm
Before the handy ballpoint, getting a few sentences onto paper was a pretty involved task. Find out how the ballpoint pen stores and manages its own ink supply to make writing a snap.
Top 10 Advantages of Biofuels
auto.howstuffworks.com/fuel-efficiency/biofuels/10-advantages-of-biofuels.htm
While they're definitely not perfect, biofuels have many advantages over other types of fuels. Read about 10 advantages of biofuels at HowStuffWorks.
How the Grail Engine Works
auto.howstuffworks.com/grail-engine.htm
What is the Grail Engine? Read about the Grail Engine and how it could change how we drive in the future.
How Side Curtain Airbags Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/side-curtain-airbag.htm
Side curtain airbags are poised to be an essential safety feature in many new cars. Read about side curtain airbags and the protection they provide.
Emperor Hirohito and Japan's Role in World War II
history.howstuffworks.com/historical-figures/hirohito.htm
Japan's Emperor Hirohito reigned for more than 60 years, and his tenure included World War II. Although he was never prosecuted for war crimes, many historians say he should have been.