How Amazon Alexa Isolates Wake Words
The Amazon Echo is only able to record voice commands after the wake word. Learn how Alexa recognizes the wake word amid the background noises in your home.
The Anatomy of a QR Code: How QR Codes Work
How QR codes work is by conveying information through a graphical code of black and white pixels. It can also be decoded even if parts of the code are unreadable.
NFC vs Bluetooth: What’s the Difference?
NFC and Bluetooth both provide reliable communication between devices over short ranges. That is the only similarity. Beyond that, they are very different.
What You Need to Know About UFS 3.0 Storage
A lot of the high-end smartphones today are already running the Universal Flash Storage (UFS) standard. Find out what UFS 3.0 brings to the table.
It’s Not Just GPS: We Have Six Global Navigation Satellite Systems, and They’re Getting Better
GPS is not the only positioning system around. There are several other global navigation satellte systems that your phone can access.
How Does the Apple Credit Card Work?
If you’ve used Apple Pay before, you already have a good idea of how the Apple Credit Card works, since it’s just a card optimized for use with iPhones.
USB Power Delivery Explained
USB Power Delivery is designed to be a single charging standard that provides a safe and efficient way to push the limits of voltage and current to devices.
What Is a VPN, and Why Do I Need One?
A VPN is currently the best way to protect your device from hacking, DNS/IP address leaks and ISP surveillance. Learn what a VPN is and how it can protect you.
Which Allocation Unit Size Is Best for Your Drive?
If you’ve ever formatted a hard drive or USB thumb drive, you might have seen the “Allocation Unit Size” setting. What is this, and can you change it? Let’s find out.
How Modern Video Compression Algorithms Actually Work
Modern video compression algorithms aren’t the same as the image compression algorithms you might be familiar with. Here’s how video compression works.
RFID Blocking Wallet: Are They Useful?
Thieves can easily steal information from your credit cards if the card has an embedded RFID chip. This is where an RFID blocking wallet is useful.
What Is a Time-of-Flight Camera and How Does It Work?
You’ve probably noticed that many flagship phones nowadays come with a time-of-flight camera. But what is a time-of-flight camera, and how does it work?
How to Buy Bitcoin
While the inner mechanisms of cryptocurrency are complex, buying and using it is actually very easy. Here is how you can buy bitcoin and start using it.
What Is Serverless Computing?
Serverless computing is a new trend that allows developers to host their apps and websites without having to run or maintain a server. Find out how it works here.
Are Dark Themes Really Better for Your Eyes and Battery?
Using a dark theme is said to be better for eyesight and battery life; how accurate is this? Here we will debunk the myths about dark themes.
Dolby Atmos vs DTS:X – Which Is Better?
Different codecs, like Dobly Atmos and DTS:X, have different surround-sound capabilities and support different types of hardware used in higher-end home theater systems.
How an Accelerometer in a Smartphone Works to Track Your Movement
The accelerometer is the component in your phone that detects if you are holding it upright or sideways. Find out how an accelerometer works in a smartphone.
What Is Bluetooth 5.1 and How Is It Different?
Bluetooth 5.1 is here, and it comes with handy improvements. This short primer on Bluetooth 5.1 shows how it’s different from the previous standard.
How Secure Is Your Stolen Encrypted Data?
Chances are that some of your data has been stolen. There’s a good chance it was encrypted, but how secure is your stolen encrypted data?
What Is “Ping” and How Does It Affect the Internet?
You may have come across the term “ping,” but what is a “ping” really? What does it mean in the computing world, and why does it have such an odd name?
Hashing vs. Encryption: How Your Password Is Being Stored in Server
There are various methods used to safely store your password in a web server. Here we show how password hashing, encryption and storage works.
Audio Wars: Digital (S/PDIF) vs. HDMI vs. Analog
From analog to digital, there are quite a few audio formats that are still in use today. Should you use Digital (S/PDIF), HDMI or just plain analog? Let’s check it out.
The Pros and Cons of Your Technology’s Short Lifespan
Technology products are designed to have a short lifespan, whether you like it or not. There is some rationale behind them, though a little outrage over planned obsolescence is certainly justified.
How macOS App Sandboxing Protects Users
Sandboxing is a tool used by macOS to limit the damage that a hijacked app can do. Here is how macOS app sandboxing works to protect its users.
Why Do Data Breaches Happen So Often?
The news is packed with reports of huge data breaches, and they never seem to cease. This is a quick look at how data breaches work and why it is impossible to eradicate them.
9 Great Ergonomic Improvements to Make at Your Work Area
Ergonomics is about decreasing strain by ensuring safe and optimal working conditions. Here are nine great ergonomic improvements to get you started.
The Rise of Gift Card Scammers, and How They Work
A newer tactic used by scammers is to get you to send them gift card rather than bank transfer. Find out how gift card scammer works and how to protect yourself.
Robotic Process Automation vs. Artificial Intelligence: What’s the Difference?
Robotic process automation and artificial intelligence are starting to take over ever-increasing levels of knowledge work. Check out their differences and how they affect you.
How Does Airplane Wi-Fi Work?
Did you recently access the Internet on a commercial flight and wonder how you are able to connect to the Web at such a high altitude? Here’s how airplane Wi-Fi works.
What Is Ethical Hacking and How Do You Become One?
Ethical hackers are people who hack for a good cause. These people use their hacking skills to uncover security flaws of a website/app. Find out how ethical hacking works.
What is Polymorphic and Metamorphic Malware?
What happens if viruses change their “signatures” to avoid detection by antiviruses software? This is what polymorphic and metamorphic malware are about.
Bone Conduction Tech: How It Works and Where It’s Being Used
While bone conduction technology’s been around for a while, headphones based on it are starting to take off. Learn what bone conduction tech is and where it’s being used.
What Does Predictive Analytics Predict, and How Well Does It Do?
Predictive analytics analyzes data to figure out what might happen in the future. How does predictive analytics really work, and how reliable are its forecasts?
What Does an Algorithm Look Like?
We know that Google and Amazon have algorithms that give us updates, search results, and product recommendations, but what does that actually mean? What qualifies as an algorithm?
How Do Solid State Batteries Work?
Solid-state batteries are smaller, lighter, and provide greater power density than lithium-ion batteries based on liquid electrolytes.
How GandCrab Ransomware Made Its Developers Nine Figures
Recently, BitDefender released an estimate of the ransom made by the popular GandCrab ransomware, and the figures were a little worryisome.
What is WiGig and How Is It Different from Wi-Fi 6?
While Wi-Fi 6 brings faster speed to your wireless devices, there is another Wi-Fi standard, WiGig, that is even faster. Find out what WiGig is and its limitations.
Compulsion Loops and Dopamine Hits: How Games Are Designed to Be Addictive
The dopamine that we get from video games and the techniques we’ve devised to get that dopamine lie at the root of both good and addictive game design.
JPG vs. PNG vs. GIF: The Differences Between Image File Formats
There are many different image file formats, and it can be confusing. Check out the differences between these image file formats and learn which one to use.
What Is Wi-Fi 6 and How Does It Improve Wi-Fi Connection?
Wi-Fi 6 is the soon-to-be-released, newest version of Wi-Fi, which is faster and better. Find out what Wi-Fi 6 is and how it improves Wi-Fi performance.
What You Need to Know About “Dark Patterns” and How They Trick Users
Many websites and apps come with dark pattern interfaces to confuse and trick their users. Find out what “dark patterns” are and how they are used to trick people.
What Is a “Piggybacking” Mobile Network?
You might be surprised to learn that different mobile network operators are sharing the same infrastructure. This is known as a piggybacking mobile network. Find out more about it here.
Why Does Everyone Want Your Data?
Data: companies want it, users have it, and it’s valuable. But it’s not often clear what user data consists of, where it goes, and how it’s profitable.
What Is “The Great Firewall of China”?
Have you wondered why you can’t access popular services like Facebook or WhatsApp in China? This is because of the great firewall of China. Learn more about it here.
What Is a “Banking Trojan?”
A banking trojan disguises itself as a genuine app so as to access your banking details. Learn all about banking trojans and how to keep yourself safe.
What Is “Bloatware,” and Why Is It Installed?
Most of the new phones and computers you buy come with pre-installed software in them. This bloatware can be annoying at best and storage hogs at worst. But what can you do about it?
Cryptocurrency vs. Blockchain – What’s the Difference?
Blockchains and cryptocurrencies are parts of a cryptographically administrated and secured system. Despite being used as interchangeable terms, they’re not the same thing.
How Does Code Injection Work?
Code injection is an attack perpetrated by an attacker’s ability to inject and execute malicious code into an application. Here’s how code injection works in detail.
SIM Card Hijacking: How It Works and What You Can Do About It
SIM hijacking has been around for a while, and its becoming a lot more popular for hackers to steal phone numbers and use them to gain access to accounts.
What Is Ray Tracing and Why Is It the Next Big Thing in Gaming Technology
Nvidia revealed their newest lineup of graphics cards which include ray tracing. What exactly is ray tracing, and why is it so important to the future of gaming?