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Need advice, how-to tips or just want to know how all your computer and electronic gadgets work? Explore the Tech Channel and get your questions answered while learning all about phones, computers, business communication technology and more.
Updated: 1 week 5 days ago
How to Catch a Cheater: 11 Ways Technology Reveals Secrets
Technology can help cheaters connect with paramours -- but it can also leave a trail that gets them caught. How does our connection to the digital world make it easier to expose infidelity?
How Stereolithography Works: A 3D Printing Process
Stereolithography -- also known as 3D printing -- is an amazing technology that allows you to build 3D plastic prototypes almost as easily as you print something on a sheet of paper!
How to Recall an Email in Outlook or Gmail
Email clients like Outlook and Gmail have a handy recall message feature that allows you to delete or edit emails after you've sent them. We'll tell you how to use them.
How to Download a YouTube Video (The Right Way)
We get it. You want to watch your favorite videos even when you're not connected to the internet. We'll walk you through the YouTube-sanctioned way to do it.
How to Uninstall Apps on Mac Computers
Mac fans always talk about how easy and intuitive Apple's OS is to use. Is it really that simple to uninstall programs on a Mac?
What Is Streaming And How Does It Work?
Streaming video and audio have come a very long way since it was first introduced in the 1990s. In fact, millions of people have gotten rid of cable and rely on streaming only for entertainment.
Can You See Who Views Your Facebook Profile?
With all the Internet spying going on out there, it seems like it would be easy to know who's viewing your Facebook profile. Lots of apps promise they can, but can they really?
How Does Kindle Work? What to Know in 2024
Electronic books have been out for years, though none of them met with much success — until the Amazon Kindle. What's so special about this little device?
QLED vs. OLED: Weighing Different TV Options
If you're shopping for a new TV, you may have to weigh the pros and cons of a QLED vs. OLED TV display. These two types of technology are similarly named but fundamentally very different.
How Facial Recognition Technology Works
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.
What Does SSID Stand For?
Your wireless network can’t function without an SSID. Learn what SSID stands for in this article.
How to Add a Watermark to Photos
You've made a picture on your computer, pasted it into a Word document and would like to know how to place a watermark on the picture. Here's how to place a watermark on pictures.
What Are Haptics on iPhone Devices and Why Do They Exist?
Ever wonder how flat cell phone keys vibrate to let you know you've pressed a button? It's called haptics, and you can use it for lots more than just phones.
What Is ROM? How Read-Only-Memory Works in Computers
Read-only memory is not only essential to your computer, but is also used in everything from video games to microwaves. Learn about the different types of ROM and how they're used.
720p vs. 1080p: What You Need to Know About HD Resolutions
Have you ever noticed video quality to be a little fuzzy, gone into settings and wondered if 720p vs. 1080p makes that much of a difference? Let us explain.
What Is a Prepaid Phone? The Pros and Cons of 'Burners'
Prepaid cell phones are a great alternative for people who are tired of contracts. Learn more about prepaid cell phones in this article.
How to Cast Roku to Your TV
Casting lets you go from watching a movie or TV show on your mobile device and to watching it on your TV without ever skipping a beat. And Roku devices make it super simple.
What Is a UPS? How an Uninterruptible Power Supply Works
It's a foundational element of device integrity, but you wouldn't be the first person to beg the question, "What is a UPS?"
Millions of Phones Use GSM ... Meaning What, Exactly?
The most useful thing to know about the Global System for Mobile communications (GSM) is that it is an international standard. If you travel in Europe and many other parts of the world, GSM is the only type of cellular service available.
What Does HDMI Stand for? Here's How HDMI Works
HDMI is more than a port on the back of a TV (and the often expensive cable that fits inside). It's a set of rules for allowing high-definition electronic devices to communicate.