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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.
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.
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 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.
How fMRI Works
science.howstuffworks.com/fmri.htm
fMRI, or functional magnetic resonance imaging, looks at blood flow in the brain to detect areas of activity. Learn about fMRI and its invention.