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Just How Many Galaxies Are in the Universe?

science.howstuffworks.com/dictionary/astronomy-terms/galaxy.htm

Galaxies are large systems of stars, gas, dust and dark matter that orbits a center and is bound by gravity. Learn about the characteristics of galaxies.

How Atom Smashers Work

science.howstuffworks.com/atom-smasher.htm

Atom smashers are used to help us discover what matter is made of. Learn about atom smashers and find out how an atom smasher works.

How Side Curtain Airbags Work

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Side curtain airbags are poised to be an essential safety feature in many new cars. Read about side curtain airbags and the protection they provide.

Top 10 Doomsday Prophecies

science.howstuffworks.com/nature/natural-disasters/10-2012-doomsday-prophecies.htm

It seems like every few years someone comes out with a new doomsday prophecy. From aliens and asteroids to floods and earthquakes, how do people think the world will end?

10 of the Worst Decisions Ever Made

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Some decisions are so bad that history can't forget them. Read about 10 of the worst decisions ever made.

Exoplanets: Distant Worlds Beyond Our Solar System

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These 10 remarkable exoplanets are the ones we'd like to investigate. Learn about 10 of the most remarkable astronomers have discovered.

Could you commute from New York to Los Angeles in 12 minutes?

science.howstuffworks.com/transport/flight/modern/commute-new-york-to-los-angeles-in-12-minutes.htm

Would you risk the mother of all jet lag if you could cross the U.S. in less time than it takes to pass through airport security? After all, your time is precious, and haven't supersonic and hypersonic technologies been around for decades now?

How Weather Works

science.howstuffworks.com/nature/climate-weather/atmospheric/weather.htm

Weather is the state of the atmosphere, rather than something that only affects your area. Read more about weather and the complex system behind it.

10 Evil Robots Bent on Destroying Humanity

science.howstuffworks.com/10-evil-robots.htm

"Hahaha ... we've come to destroy your world!" Or so it must read in the chapter of the "Evil Robot Handbook" on what to say when you first encounter humans. Here are 10 robots you really don't want to mess with.

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.

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