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Can you really shatter a glass with a high note?
science.howstuffworks.com/shatter-glass-with-high-note.htm
There are so many things in this world that are possible, and shattering glass with sonic force is one of them - but just how probable is it, really?
Which Military Branch Should You Enlist In?
play.howstuffworks.com/quiz/which-military-branch-should-you-enlist-in
Considering a career in the military? Before you make the mistake of joining the wrong branch, make sure you are headed in the right direction! Use our laser-guided quiz to make sure you are aiming high enough to be all you can be!
How Zero-gravity Flights Work
science.howstuffworks.com/zero-g.htm
Zero gravity flights are used to simulate a zero gravity environment for astronauts in training. Find out how zero gravity flights simulate weightlessness.
How Truck Brakes Work
auto.howstuffworks.com/auto-parts/brakes/brake-types/truck-brakes.htm
Truck brakes have to be big and powerful to stop the truck and its payload. Learn all about truck brakes at HowStuffWorks.
15 Famous Astronauts Who Expanded Our Universe
science.howstuffworks.com/famous-astronauts.htm
Some brave explorers travel across oceans; others blast off into space. This list of famous astronauts celebrates the pioneers of space exploration — those who took "one giant leap" for humankind and expanded our reach beyond Earth.
How Two-stroke Engines Work
science.howstuffworks.com/transport/engines-equipment/two-stroke.htm
A car engine uses a four-stroke cycle -- how can two strokes accomplish the same tasks? Learn all about the two-stroke engine, where it's used and how it compares to a four-stroke.
Military Trivia Quiz
play.howstuffworks.com/quiz/military-trivia-quiz
For about as long as humans have come together in groups, we've had fighting forces to protect what's ours. They've definitely changed a lot over the centuries, though. Fight your way through this quiz and see what military trivia you know!
Why Smoking Rates in the Military Are So High
science.howstuffworks.com/why-smoking-rates-in-military-are-so-high.htm
New evidence shows that Big Tobacco specifically targeted U.S soldiers, because they were "less educated" among other reasons.
Military Vehicle Trivia
play.howstuffworks.com/quiz/military-vehicle-trivia
Tanks! Jeeps! Armored personnel carriers! The military has more vehicles with more variations than most people could possibly imagine. If you care to test your military vehicle trivia knowledge, gear up and deploy into the quiz!
How do flies breathe?
animals.howstuffworks.com/insects/question555.htm
How do flies breathe? Or any other tiny insect. Is it possible to strangle them? Learn all about how flies breathe in this article.