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5 September 11 Conspiracy Theories
people.howstuffworks.com/5-september-11th-conspiracies.htm
The confusion and terror following the Sept. 11 attacks on the World Trade Center left many searching for answers. Check out 5 September 11th conspiracy theories.
Mothman Mysteries: A Look at the West Virginia Cryptid
science.howstuffworks.com/science-vs-myth/strange-creatures/mothman.htm
Mothman sightings began in West Virginia in the late 60s, but is the elusive creature real or just a cover-up to distract the public from a tragic accident?
Why Did the USSR Fall? The Real Costs of Becoming a Superpower
history.howstuffworks.com/european-history/why-did-the-ussr-fall.htm
By asking "Why did the USSR fall," you're really asking how a superpower unraveled from the inside.
How the World Trade Center Slurry Wall Works
science.howstuffworks.com/engineering/structural/world-trade-center-slurry-wall.htm
It's been compared Jerusalem's Wailing Wall. What purpose did the slurry wall serve the World Trade Center, and what is its significance now?
How long would it take for your house to fall completely apart?
home.howstuffworks.com/home-improvement/repair/house-entropy.htm
Would your house fall apart if you left it standing without any maintenance over time? Find out how long it would take for your house to fall apart.
What is soft-story seismic retrofitting?
science.howstuffworks.com/engineering/structural/soft-story-seismic-retrofitting.htm
A soft-story building has a first floor that's more flexible than the ones above -- think apartments over a department store that's mostly open space. How does soft-story retrofitting keep such buildings from collapsing in a quake?
How Building Implosions Work
science.howstuffworks.com/engineering/structural/building-implosion.htm
Safe, professional building implosions combine mathematics, intuition and sheer explosive power. Find out how the experts bring down huge structures without damaging the buildings nearby.
How can you make a wine glass sing?
recipes.howstuffworks.com/food-facts/question603.htm
How can you make a wine glass sing? Read this article to find out just how can you make a wine glass sing with video instructions and more.
How S&Ls Work
money.howstuffworks.com/personal-finance/banking/savings-and-loans.htm
Savings and Loans associations specialize in savings accounts and mortgages. Learn all about S&Ls in this article from HowStuffWorks.
What grade of steel was used in the World Trade Center?
science.howstuffworks.com/engineering/structural/grade-of-steel-used-in-world-trade-center.htm
The materials used to build the World Trade Center's twin towers have been heavily scrutinized since the 9/11 terrorist attacks -- including the steel that formed the frames of the skyscrapers.