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Walking Accessories
health.howstuffworks.com/wellness/diet-fitness/information/walking-accessories.htm
This introduction to walking accessories addresses the importance of a good walking shoe. See an introduction to walking accessories.
How Color Blindness Works
health.howstuffworks.com/human-body/systems/eye/colorblindness.htm
Color blindness is a condition that affects the way in which people see certain colors. Learn about color blindness and causes of color blindness.
How to Play Slot Machines
entertainment.howstuffworks.com/how-to-play-slot-machines.htm
Slot machines have become the game of choice when it comes to casino gambling. Learn how to play slot machines.
How Human Memory Works
science.howstuffworks.com/life/inside-the-mind/human-brain/human-memory.htm
Human memory is a complex, brain-wide process that is essential to who we are. Learn about encoding, the brain, and short- and long-term memory.
10 Most Long-lived Empires in History
history.howstuffworks.com/world-history/10-long-lived-empires.htm
Which historical empires lasted the longest? Read about the 10 most long-lived empires in history.
10 Aviation Innovations We'd Be Stuck on the Ground Without
science.howstuffworks.com/transport/flight/modern/10-aviation-innovations.htm
In the world of flight, it's a fine line between flying high and falling fast. Can you name 10 of the innovations that keep planes and their passengers airborne?
How Driverless Car Racing Works
auto.howstuffworks.com/auto-racing/motorsports/driverless-car-racing.htm
With a little more technology tinkering, driverless cars could take over the racetracks. Learn more about these automated wonders at HowStuffWorks.
How Digital Scales Work
electronics.howstuffworks.com/gadgets/fitness/digital-scale.htm
Digital scales are common measuring devices that harness several physical laws. Learn how digital scales weigh everything from peanuts to penguins.
How Millimeter Wave Scanners Work
science.howstuffworks.com/millimeter-wave-scanner.htm
If you've traveled recently, you probably raised your arms above your head and waited for a millimeter wave scanner to do its screening thing. During those 10 seconds or so, did you ever wonder exactly how the device produced your image?
10 Signs You May Be Sleep Deprived
health.howstuffworks.com/mental-health/sleep/disorders/10-signs-you-may-be-sleep-deprived.htm
Are you sleep deprived? About 45 percent of the world's population isn't getting enough sleep. See 10 signs you might be sleep deprived.