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When Were Guns Invented? A Brief History of Guns
science.howstuffworks.com/innovation/inventions/who-invented-the-first-gun.htm
The first gun was created more than 1,000 years ago, effectively changing warfare - and society - in incomprehensible ways. But do we know who actually made the first firearm?
How the PRISM Surveillance System Works
people.howstuffworks.com/prism-surveillance-system.htm
Is the undercover program called PRISM actually a fairly transparent tool for gathering information or a mandate for snooping through your e-mail?
How Hostage Negotiation Works
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A hostage situation places innocent civilians directly in harm's way, and armed intervention places the hostages at even greater risk. Learn how a skilled negotiator uses psychology, instinct and deception to achieve a peaceful end.
How Car Testing Works
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/car-testing.htm
Car testing is done by automakers to spot and fix design flaws before they go into mass production. Learn how car testing works in this article.
How Mahjong Works
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Mahjong is a strategy game that originated in China. Visit HowStuffWorks to learn all about Mahjong.
How Payday Loans Work
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Payday loans are short-term, high-interest loans which can be very easy to get. Learn about how payday loans work at HowStuffWorks.
10 People You Probably Didn't Know Were Black
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Some people don't appear to be Black. Learn about 10 people you probably didn't know were Black in this list from HowStuffWorks.
How Trains Work
science.howstuffworks.com/transport/engines-equipment/train.htm
We humans are mobile. Long before flight, FusionMan or even your average automobile arrived on the scene, trains were transporting us all over civilization. How did we get from horse-drawn carts to high-speed trains?
How Spy Flies Will Work
science.howstuffworks.com/spy-fly.htm
Gathering reconnaissance during battle typically puts small teams of soldiers in harm's way. Tiny robotic flyers, called micro air vehicles (MAVs), could do away with this danger. Learn all about spy flies.