High-Tech Gadgets

This collection of high tech gadget articles explore technology behind these gadgets. Learn all about high-tech gadgets.


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How Wearable Technology Works

The idea of technology that you wear isn't new, but it's an industry that's exploding in popularity, from Google Glass to fabrics that turn movement into electricity.

Do gold-plated radiation-protection stickers work?

If you're about to buy a little gold sticker to protect your brain cells from cell phone radiation, then please stop what you're doing and consider a more sensible use of your money -- such as magic beans or a wish-granting monkey's paw.

How Digital Immortality Works

There are some people who believe that it won't be long until humankind has the technology to enable people to live forever. What would it take to make that happen? And would we really want to?

How Backscatter X-ray Systems Work

Backscatter X-ray systems are now used to conduct full-body security scans in many airports. But how does this new technology work? Does it invade your privacy? Is it safe?

2010 in Pictures

From devastation in Haiti to jubilation in New Orleans, 2010 was a pictorially poignant year. We won't soon forget the massive not-a-sinkhole in Guatemala or Lady Gaga's meat dress. Take a tour of the year's most unforgettable events in images.

How the iPad Works

Tech pundits said Apple couldn't make a consumer tablet that would succeed. But then the iPad sold more than a million units within 28 days. How did Apple prove the naysayers wrong, and how has their tablet evolved?

Are we living in a virtual world?

In science fiction, characters sometimes see a world that's completely different from the reality underneath. But how do you know that's not true in what you think of as real life? Is what you see really what you get?

Essential Gadget Pictures

Do you have a smartphone? How about a digital camera? A portable music player? We bet you'll be surprised by how many of these 'essential' gadgets you actually own. Take a look and see whether yours made the list, or if we omitted any of your favorites.

How Spy Gear Works

Once only found in the movies, high-tech spy gadgets are part of our everyday lives. Is someone listening in on your conversation right now? Are you being followed?

10 Scary Modern Technologies

Technology has changed our lives, mostly for the better. But what happens when our inventions get the better of us? The results can be devastating.

What's the technological singularity?

Depending on whom you ask, machines are running our lives. But what happens if they start to build more efficient models of themselves and get rid of us?

How Psychotechnology Works

Psychologists have created a number of tools to help them delve deeper into the mysterious human subconscious. What are these tools, and do they really work?

Can companies beam advertisements into my brain?

You're out shopping when suddenly a voice tells you to buy the product right in front of you. Brilliant gimmick or creepy invasion of personal privacy?

Night Vision Pictures

Night vision is a popular military application with some very interesting civilian uses. Check out night vision equipment, peer through night vision goggles and learn about the technology with this image gallery.

How the Avatar Machine Works

The Avatar Machine lets users see themselves from a third-person perspective as if they were in a virtual environment. Could this gadget inspire human behavior studies?

How Fabric Displays Work

Fabric displays are revolutionizing the marketing and fashion industries. From furry TV to wearable computer systems, these displays are worth watching.

How RFID Works

Radio frequency identification (RFID) tags are part of a tracking system that uses intelligent bar codes to track items in a store. First used to monitor livestock, these devices now appear in countless stores across the country.

How Speech Recognition Works

Speech recognition technology allows people to compose documents and control their computers using their voice. It can be used in homes or businesses, for a variety of uses.

How Facial Recognition Systems Work

How unique is your face? Learn how facial recognition systems can pick a face out of a crowd, extract it from the rest of the scene and compare it to a database of stored images.

How Night Vision Works

Most of us instinctively think of darkness as a cloak, a way to hide. So, how can you see someone standing more than 200 yards away on a pitch-black night?

How Holographic Environments Will Work

Holographic environments make the virtual world truly tangible. Find out about the development of real-life, interactive "holodecks"!

How Electronic Ink Works

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. Learn all about it.

How UPC Bar Codes Work

Nearly every item that you purchase from a grocery store, department store or mass merchandiser has a UPC bar code on it somewhere. Ever wondered why?