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How Denim Insulation Works
home.howstuffworks.com/denim-insulation.htm
Do you love your jeans so much that you want them to stay in your house forever and ever? Then you're going to love denim insulation, the blue way to go green.
How the Rules of War Work
people.howstuffworks.com/rules-of-war.htm
What are the basic rules of war? Learn what acts are considered war crimes in this HowStuffWorks article about the rules of war.
How the Machine Gun Revolutionized Warfare
science.howstuffworks.com/machine-gun.htm
The invention of the machine gun forever changed the battlefield. While soldiers once had to reload after a single shot, they now can fire hundreds of rounds per minute without a single pause.
How the Hyperloop Works
science.howstuffworks.com/transport/engines-equipment/hyperloop.htm
Ready for a fifth mode of transportation? Elon Musk is. He's sketched out a proposal for a nearly supersonic transportation system that could shoot you from San Francisco to Los Angeles faster than you can watch an episode of "Game of Thrones."
Why Is a Four-leaf Clover Lucky?
people.howstuffworks.com/why-are-four-leaf-clovers-lucky.htm
For centuries, people have considered the four-leaf clover to be magical. Learn more about four-leaf clovers and their luck factor at HowStuffWorks.
How Volunteer Armies Works
money.howstuffworks.com/economics/volunteer/information/volunteer-armies.htm
Volunteer armies face a number of recruitment challenges. Learn how volunteer armies operate and how they differ from conscripted armies.
Battle of the Best Sonar: 'Team Dolphin' vs. 'Team Bat'
animals.howstuffworks.com/mammals/battle-best-sonar-team-dolphin-or-team-bat.htm
Do dolphins or bats have better sonar? That question has led to some playful ribbing among scientists. HowStuffWorks wanted to find out, too.
What's the Fascination With Number 23?
science.howstuffworks.com/science-vs-myth/everyday-myths/whats-fascination-with-number-23.htm
From plane crashes and deaths to sports superstitions and hexagrams, many people believe that the number 23 possesses magical properties.
What to Do With Old Computers: 3 Responsible Options
computer.howstuffworks.com/discarded-old-computer.htm
After years of hard work and loyalty, some computers must finally retire. But since they can't take a pension and move to Florida, where do old computers end up?
Why are shoes so expensive?
lifestyle.howstuffworks.com/style/bags-shoes/shoes-expensive.htm
Ever wonder why shoes are so expensive? Sticker shock doesn't apply just to cars. Find out some reasons why shoes are so expensive.