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How Are People Able to Breathe Inside a Submarine?
science.howstuffworks.com/transport/question83.htm
How are people able to breathe inside a submarine? What do they do to keep the air breathable?
Spring Heeled Jack
science.howstuffworks.com/space/aliens-ufos/spring-heeled-jack.htm
Spring Heeled Jack is a legendary English character, a Victorian-era murderer. Read why some think Spring Heeled Jack may have been an alien humanoid.
What Are Supplementary Angles?
science.howstuffworks.com/math-concepts/supplementary-angles.htm
You've probably seen supplementary angles examples in your everyday life without knowing it. Whether you pass a leaning sign on a flat highway or walk by a shed with a lean-to roof - whenever two angles combine to form a straight, linear pair, there they are.
New Device Turns Grape Juice to Wine in Just an Hour. Where Do We Sign Up?
Researchers develop a gadget that lets winemakers hasten the fermentation process, experiment more.
Mars Has an Actual Lake
science.howstuffworks.com/mars-has-lake.htm
Italian scientists have discovered a lake filled with liquid water under the ice cap at the south pole of Mars.
Quiz: Apollo 11, the First Moon Landing
science.howstuffworks.com/apollo-11-quiz.htm
Take this HowStuffWorks quiz to learn more about Neil Armstrong, Buzz Aldrin, Michael Collins and Apollo 11, the first landing on the moon.
How Holograms Work
science.howstuffworks.com/hologram.htm
If you want to see a hologram, you don't have to look much farther than your wallet. But the most impressive holograms are large scale and illuminated with lasers or displayed in a darkened room with carefully directed lighting. Learn how a hologram, light and your brain work together make clear, 3-D images.
How Aerosol Cans Work
science.howstuffworks.com/innovation/everyday-innovations/aerosol-can.htm
They dispense everything from hairspray to cleaning products to whipped cream. Without them, you'd be doing a whole lot of pumping.
How the V-22 Osprey Plane Works
science.howstuffworks.com/osprey.htm
The Osprey is a unique aircraft. How does it work? And what has caused its recent failures? Get an in-depth look at the aircraft's systems and design.
What's a brownfield?
science.howstuffworks.com/engineering/structural/brownfield.htm
A brownfield are abandoned pieces of land that may be contaminated. Find out more about what a brownfield can do to a community.