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Your search for "number" returned 8,774 results
How the U.S. Postal Service Works
people.howstuffworks.com/usps.htm
The U.S. Postal Service employs about 500,000 people and is responsible for the delivery of mail. Learn more about the United States Postal Service.
How C-4 Works
science.howstuffworks.com/c-4.htm
C-4 is a powerful explosive that's used in terrorist attacks all over the world. Find out what C-4 explosives are and what C-4 explosives can do.
How Radon Works
home.howstuffworks.com/home-improvement/household-safety/radon.htm
In places where uranium is common in the soil, radon is a popular topic of discussion. Even though radon is "completely natural," it can be a real health hazard. Learn how radon forms and why it is so dangerous.
How FireWire Works
computer.howstuffworks.com/firewire.htm
FireWire transmits data to and from high-bandwidth digital devices faster than USB. Learn what FireWire is, how it works, and when you'd use it.
How Space Collisions Work
science.howstuffworks.com/dictionary/astronomy-terms/space-collision.htm
Space collisions happen when stars, asteroids and even galaxies smash into one another. Learn what space collisions look like and what the results are.
Can carbon fiber solve the oil crisis?
auto.howstuffworks.com/fuel-efficiency/fuel-economy/carbon-fiber-oil-crisis.htm
Carbon fiber is five times as strong as steel and it's much more lightweight. Learn about carbon fiber and how it could solve the oil crisis.
What is elimination communication?
lifestyle.howstuffworks.com/family/parenting/babies/elimination-communication.htm
Elimination communication is the idea of potty training an infant almost from birth. Learn about elimination communication and infant potty training.
Are Figs Really Full of Baby Wasps?
animals.howstuffworks.com/insects/fig-wasp.htm
Fig wasps help create tasty fig-based snacks. Learn if fig wasps are listed among the ingredients on the wrapper of your next fig bar.
The History of E-commerce
money.howstuffworks.com/history-e-commerce.htm
While the history of e-commerce is short, e-commerce has changed how we do business online. Learn more about the history of e-commerce.
What's the Difference Between a Fuel Cell Vehicle and a Hydrogen-on-Demand Vehicle?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell-difference.htm
A major hurdle to hydrogen-as-car-fuel is the public perception that hydrogen cars are unsafe. Read this article to find out if hydrogen cars are safe.