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How Laser Printers Work

computer.howstuffworks.com/laser-printer.htm

Laser printers are fast, precise and inkless. So how do the words get there? How can a laser beam write on paper? Read about laser printer technology.

How did ancient civilizations use sundials to tell time?

electronics.howstuffworks.com/gadgets/clocks-watches/ancient-civilizations-use-sundials.htm

Ancient sundials first popped up in Egypt around 1500 B.C. Learn how these sundials came about and what they were used for all those centuries ago.

Can You Guess the Athletic Brand From the Logo?

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Brand enthusiasts, listen up! Are you ready for a very sporty challenge? We know you can name these very popular athletic brands just by looking at their logos. Dare to name them all? On your mark, get set, go!

Can mobile devices really be waterproof?

electronics.howstuffworks.com/gadgets/other-gadgets/mobile-devices-waterproof.htm

Some mobile devices say they are waterproof, but can this be truly possible? Find out if mobile devices can really be waterproof.

After the Sun Dies, It'll Become a Stellar Crystal

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The sun is going to eventually leave behind a shimmering legacy and turn into a massive crystal. Learn why at HowStuffWorks.

How Photosynthesis Captures Light and Powers Life on Earth

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No life, except possibly very small bacteria, would exist on Earth without photosynthesis.

Shallots Are Onions' Cute Little Cousins

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Belonging to the same family as onions, leeks, scallions and garlic, shallots look like small, elongated onions but with a sweeter, milder flavor.

How Scanning Electron Microscopes Work

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Scanning electron microscopes give scientists an incredible level of magnification. Learn about scanning electron microscopes.

Can You Name All These Thrillers From Just One Image?

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Movie buffs who enjoy watching from the edge of your seats, this one's clearly for you! If you're such an expert on films that give you chills, squeals and thrills, then you can ace this quiz in no time. Try it!

How Math Works

science.howstuffworks.com/math-concepts/math.htm

A world without math is unimaginable. It's a part of who we are. It's the analytical juice of our left brain. In the words of physicist Richard Feynman, even a fool can use it. So why do so many of us turn our backs on numbers?

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