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How DVDs Work

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Learn about DVD technology, DVD storage and DVD features. Explore how DVDs work.

How does the ball return work on a coin-operated pool table?

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On a coin-operated pool table, if you hit one of the numbered balls into a pocket, the ball goes into a locked storage compartment. If you hit the cue ball into a pocket, the table returns it. How does the pool table tell the difference?

How Does a Breathalyzer Work?

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A roadside sobriety test of touching one's nose or walking a straight line cannot rule out a high blood alcohol concentration. That's why the Breathalyzer is such a game-changer. But how does a Breathalyzer work? Read on to find out!

How PlayStation 2 Works

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The PlayStation 2 was one of the most anticipated game systems ever developed. Take a look inside and see what the PS2 had to offer.

How Dreamcast Works

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Popular Science magazine recognized the Sega Dreamcast as one of the most important and innovative products of 1999. Find out what made it so amazing.

How N64 Works

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The Nintendo 64 was an extremely popular video game system, with millions of users around the world. Learn about Nintendo 64 history and what's inside.

How PlayStation Works

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The PlayStation is one of the most popular video game systems of all time, with millions of users around the world! Learn where it all started and what's inside!

How Video Game Systems Work

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Game consoles are complex computer systems specialized for game playing, and they can do some incredible things. Learn about the most popular consoles from the inside out.

How does a CB radio antenna work?

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How does a CB radio antenna work? Why does it have to be tuned? How do you tune it properly?

How Electronic Ink Works

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Electronic ink promises to be an amazing, breakthrough technology that we will all be using in five years -- it will completely change books and newspapers!