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Should I be afraid of strange matter?
www.howstuffworks.com/strange-matter.htm
Strange matter is unlike any earthly matter ; for one, it's heavier than our matter. Learn what else makes strange matter so inarguably weird.
If You Get 23/30 on This Aviation Quiz, You Could Fake it as a Pilot
play.howstuffworks.com/quiz/you-get-2330-this-aviation-quiz-you-could-pilot-a-fighter-jet
You watched "Top Gun" and immediately knew that you'd do whatever it took took to become a dashing U.S. Air Force fighter pilot. But do you really have the right stuff to turn yourself into a knight of the sky?
What Is the Greenhouse Effect? Is It Inherently Bad?
science.howstuffworks.com/environmental/green-science/question746.htm
We'd be up a creek without Earth's atmosphere and the greenhouse effect it provides, but it turns out that an overactive greenhouse effect can result in a similarly devastating outcome.
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.
Here We Go!: The 'Super Mario Bros.' Quiz
play.howstuffworks.com/quiz/super-mario-bros-quiz
For a child of the '80s or '90s, nothing says nostalgia like those opening notes of the "Super Mario Bros." theme song. Think you know your Koopa Troopas from your Goombas? Test your knowledge of "Super Mario Bros." 1 through 3!
Tsar Bomba: The Most Powerful Nuclear Weapon Ever Built
science.howstuffworks.com/tsar-bomba.htm
In 1961, the Soviet Union detonated the Tsar Bomba, still the biggest, most powerful nuclear bomb ever built. One of the cameramen who recorded the event said it sounded "as if the Earth has been killed."
When Were the Twin Towers Built?
science.howstuffworks.com/engineering/structural/wtc.htm
The twin towers of the World Trade Center were true originals -- their history is one of innovation, persistence and grand ideas.
How did a meteor make hundreds of people sick?
science.howstuffworks.com/peru-meteor.htm
A meteor strike in Peru may have made up to 600 people sick, according to recent reports. Find out if the meteor strike in Peru is what made people sick.
10 of the Worst Decisions Ever Made
history.howstuffworks.com/historical-events/10-worst-decisions.htm
Some decisions are so bad that history can't forget them. Read about 10 of the worst decisions ever made.
How Spud Guns Work
home.howstuffworks.com/spud-gun.htm
A spud gun can hurl potatoes hundreds of feet at close to 400 miles per hour. But why is this staple of the dinner table such a popular projectile? Learn the science of spud guns and how they can be customized.