Travel Gadgets

Travel gadgets are perfect for anyone planning on making a trip. Travel gadgets range from solar-powered backpacks to global cell phones. Check out these great travel gadgets at HowStuffWorks.

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How the Node Explorer Works

If museum sign-reading bores you, you're in luck. The Node Explorer is a portable media player with interactive presentations that include guided tours, images, maps, videos and sound clips. Learn all about it.

How PDAs Work

Before the iPhone and other smartphones, there were PDAs such as the Palm Pilot. Learn about the PDA technology that paved the way to big-time computing power on the go.

How Universal Translators Will Work

A wearable device that will translate English into a dozen languages will be introduced later this year. See how it will work!

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