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How Gold Works
science.howstuffworks.com/gold.htm
We love it. We wear it glittering around our necks and sparkling at our ears, wrists and feet. We pass it down to our children and hoard it in secret stashes. Why is this precious metal so prized?
How Crayons Work
entertainment.howstuffworks.com/arts/artwork/crayons.htm
Crayons are steeped in the artwork of our childhoods. How did these popular little sticks of color actually come about? Find out from HowStuffWorks.
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 'The Da Vinci Code' Doesn't Work
entertainment.howstuffworks.com/davinci-code.htm
Learn what happened when we took a close, hard look at 'The Da Vinci Code' and how it uses science, technology, art and history.
10 Weirdest Things Spotted by the TSA
people.howstuffworks.com/10-weirdest-things-spotted-tsa.htm
TSA officials have spotted some really strange things at airport security checkpoints. Here are 10 of the weirdest from HowStuffWorks.
How does the ball return work on a coin-operated pool table?
electronics.howstuffworks.com/question495.htm
On a coin-operated pool table, if you hit one of the numbered balls into a pocket, the ball goes into a locked storage compartment. If you hit the cue ball into a pocket, the table returns it. How does the pool table tell the difference?
What to Do if Your Car Alarm Keeps Going Off
auto.howstuffworks.com/car-alarm.htm
Car alarms have become increasingly sophisticated in warding off potential thieves. Learn about car alarms and about different car alarm systems.
Can You Name All of These HVAC Tools?
play.howstuffworks.com/quiz/can-you-name-all-these-hvac-tools
The world of heating, ventilation and air conditioning is very specialized and includes a range of tools not used by others. Can you identify them?
How Backscatter X-ray Systems Work
electronics.howstuffworks.com/gadgets/high-tech-gadgets/backscatter-x-ray.htm
Do you know how backscatter X-ray systems work? Find out how backscatter X-ray systems work in this article from HowStuffWorks.
How Radio Works
electronics.howstuffworks.com/radio.htm
Radio waves are the backbone of nearly all modern media technology, from TV to smartphones to wireless internet. Yet, they're actually a simple technology.