High-Tech Gadgets

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


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?

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?

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.

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?

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?

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.

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?

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.

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?

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?

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 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.

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?

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

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.

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 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.

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?

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

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.

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?