Phones, Cell Phones & Wireless Telephony

Telecommunications devices, including cell phones, satellite radio or Voice over IP, connect us to one another and to the world of information at our fingertips. Learn all about the technologies we depend upon for efficient communication.


These days, smartphones are mini computing devices that suck up power like nobody's business. Are battery-saving apps the cure for power-hungry phones?

Unlike conventional gadgetry, fuel-cell-powered devices run on a liquid fuel that you pour into a tank. Would people really be willing to adopt the technology, and isn't there a risk of spilling fuel?

Your iPhone comes with built-in video capability courtesy of your camera app. But what if you want to put a little more polish on your home movies?

Wish you could scan notes from a whiteboard or blackboard into your phone -- and then save that text on your computer? Try one of these apps.

That certainly is a cute picture of your pup. Thanks to file-sharing apps like Dropbox, you can bust that photo out on even more mobile devices. Your co-workers and friends are going to be thrilled!

Remember when you used to keep friends and family updated during your travels by dropping postcards in the mail with a hastily scribbled "Wish you were here!" Now, you can do just that just by using your iPhone.

They say you can't get something for nothing, which is why free-texting apps seem like they'd have to be a scam. But are they?

Rooting allows you to tweak your Android smartphone settings to your heart's desire, via apps. We'll share 10 of our favorites with you in this article.

Smartphone cameras are just too convenient -- and too good -- for dedicated entry-level cameras to last forever. What apps can turn your iPhone snaps into art?

Social networks have cropped up to fill almost any and every niche market, and singles hoping to flirt and connect with other singles drive a number of them. But is it dangerous to use dating networks?

Just tap your smartphone or mobile device against your pal's and you can share digital information instantly? Sounds like science fiction! (Android) Beam me up, Google.

What if you could send a postcard that talks? Or maybe even sings? With the help of your iPhone and this app, it's possible.

Android and iOS devices seem to rule the smartphone market, but Nokia is hoping to change that with the Lumia 900 -- running the Windows Phone operating system. Does this high-end member of the Lumia family stand a chance?

Wait, this tiny little chip could rock your world? Yep. Puny as it might seem, this up-and-coming technology has the potential to streamline aspects of your daily life, from purchases to passwords.

NFC tags are smart little chips that'll allow you to snag digital information with your smartphone at short range. Get the details on this up-and-coming tag technology in this article.

These days, more people are glued to their mobile devices -- and increasingly impatient about slow download speeds. 4G networks promise to deliver all the speedy data we could wish for, but do they?

Samsung has been tight-lipped about the release date of the follow-up to the Samsung Galaxy S II, but plenty of speculative information is swirling in the tech world. What can you expect from the latest in the Galaxy S lineup?

Call it 4G insanity. We're being bombarded by promises of what this newest wireless network can deliver, but is it all hype?

RFID, NFC ... If these wireless technology acronyms are starting to look like alphabet soup to you, have no fear. We'll help you spot the differences between these communications cousins.

Sharing photos or business cards by tapping phones together seems pretty nifty, but is this tech really safe? Find out in this article.

Regular wallets are sooooo 2012. Could their digital doppelgangers be just around the corner?

Fed up with carrying a wallet full of cards and a full ring of keys? Before long, you might be able to keep all of that stuff in your phone. How is it possible, and is your information safe in your phone?

If you're in the market for a new cell phone, have you thought of what you'll do with your old one? Learn more about the 5 ways to donate your old cell phone to charity.

When we think about environmentally friendly cell phones, typically the first things that come to mind are their energy efficiency, the elimination of toxins in their manufacturing, their recyclability, or even what green apps we use. Learn more about how much radiation does your cell phone emit.

Cordless phones have been around awhile, but have you ever looked inside of one? See the next few pages as we take apart this cordless phone.