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Meet the Trebuchet, the Castle-crushing Catapult of the Middle Ages
history.howstuffworks.com/european-history/trebuchet.htm
Before the advent of gunpowder, enemy combatants used a powerful siege weapon called a trebuchet to forcefully launch projectiles - sometimes a large stone, a decapitated human head or a dead horse - at intended targets.
How to Use a Ball Joint Press
auto.howstuffworks.com/under-the-hood/vehicle-maintenance/how-to-use-ball-joint-press.htm
Do you know how to use a ball joint press? Find out how to use a ball joint press in this article from HowStuffWorks.
What Is a Hard Drive and How Does It Work?
computer.howstuffworks.com/hard-disk.htm
Nearly every desktop computer requires a hard drive for data storage, but what is a hard drive, exactly? Your hard disk drive holds all of the information available on your computer. Take a look inside this incredibly precise storage mechanism!
5 Quick Office Exercises
health.howstuffworks.com/wellness/diet-fitness/exercise-at-work/5-quick-office-exercises.htm
Are you looking for quick office exercises? Visit HowStuffWorks to find 5 quick office exercises.
Thought Experiment: What If We Stopped Walking Upright?
Humans have only been bipedal for a sliver of history. What if we returned our spines to their original position and quit walking upright? What would that world be like?
Get to Know Proprioception, Your Silent Sixth Sense
health.howstuffworks.com/human-body/systems/nervous-system/proprioception.htm
Proprioception is our ability to perceive our body's position and how we move through space. It's considered our 'sixth' sense because we do it without thinking about it.
How Interest-only Loans Work
money.howstuffworks.com/personal-finance/debt-management/interest-only-loan.htm
An interest-only loan is an option that can be tied to any mortgage. Learn about the advantages and problems of an interest-only loan.
5 Tips for Softening Scaly Elbows
health.howstuffworks.com/skin-care/moisturizing/tips/5-tips-for-softening-scaly-elbows.htm
These 5 tips for softening scaly elbows will keep skin moist and clean. Learn 5 tips for softening scaly elbows.
How Joysticks Work
electronics.howstuffworks.com/joystick.htm
Video games are amazing creations, but the fact remains -- if you can't input, you can't play. Take a look inside the quintessential game controller and see how it has evolved over the years.
How Police Robots Work
science.howstuffworks.com/police-robot.htm
Police robots will soon be roaming the streets thanks to developments in technology. Learn about police robots and the new police robot R Bot 001.