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What Is a Brushless Motor?

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Discover the differences between the "normal" electric motor and a brushless electric motor that make brushless electric motors more efficient.

Is Wibree going to rival Bluetooth?

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Nokia announced a new short-range wireless technology, Wibree, in October 2006.

How Digital Cameras Work

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Digital cameras produce instant photos that you can print or share online. Learn how digital cameras work and read reviews of the best digital cameras.

How Xbox 360 Works

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Xbox 360 is a top-of-the-line, next generation game console. Learn about Xbox 360 specs and controllers, and read game reviews and find good prices.

Where can I recycle my old electronics?

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If you're lucky enough to unwrap a sweet new smartphone or PS3 this year, what are you going to do with that relic you've been using up to now? Learn about electronics recycling.

Ever wonder how television works? The technology has been around long enough to seem ordinary, but the box that brings TV shows into your home is an amazing device. How is the picture formed? Where does the color come from? Let's find out!

How HD Radio Works

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HD Radio promises higher quality sound, more stations and extra information. See how HD radio works, from the digital signal to your HD radio receiver.

How Lithium-ion Batteries Work

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Lithium-ion batteries are incredibly popular these days. You can find them in laptops, PDAs, cell phones and iPods. Find out why.

How Speech Recognition Works

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Speech recognition allows people to compose documents and control their computers with their voice. Learn about the basic types.

How to Get the Most From Your HDTV

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After all that hype, the experience of watching a brand new HDTV can be a little anticlimactic. Find out why it can happen.