X Factor

The photo-centric Instagram app is a great way to share "evergreen" pictures and videos when compared to Snapchat and Facebook's new Messenger Day feature. But like all social media, keeping the account secure is an essential aspect, as it restricts unwanted viewers from seein ...more

Two-factor authentication (also known as 2FA) adds a necessary additional layer of security to your username and password in many important apps. On Instagram, 2FA requires you to confirm it's you attempting to log in, with a special code sent to you via text message. Enter th ...more

A scale factor is a number used as a multiplier in dilation. Dilation is the act of being enlarged or minimized. Say you have a dimension of 3''. The scale factor is 2:1. So, you multiply the dimension by the scale factor to get your new dimension. After you multiply those num ...more

Using a strong password is critical to the security of your online accounts. However, according to Dashlane, US users hold an average of 130 different accounts. Memorizing strong passwords for that many accounts is impractical. Fortunately, password managers solve the problem. ...more

If waveguide display maker DigiLens has its way, enterprise businesses and consumers will soon be able to purchase smartglasses for less than $500 — as long as they can supply their own computing and battery power. On Monday, the company unveiled DigiLens Crystal, a reference ...more

Today, we are going to combine what we learned from the Introduction to Cryptography article with our Java programming skills. If you are new to Java, check out Matthew's Learn Java: Part One for a quick beginner's lesson, or check out some of the Java tutorials directly on Or ...more

One major problem in previous iOS versions is that there was no way to keep messages in sync between an iPad, iPhone, iPod touch, and Mac. If you deleted a message in the Mac app, it would not be deleted on your iPhone, and vice versa. Apple finally fixed this issue in iOS 11. ...more

It's easy to have your password stolen. Important people like executives, government workers, journalists, and activists face sophisticated phishing attacks to compromise their online accounts, often targeting Google account credentials. To reduce this risk, Google created the ...more

Each day, we read about another security breach somewhere in our digital world. It has become so commonplace that we hardly react anymore. Target, J.P. Morgan, iCloud, Home Depot, and the list goes on and on. Those are just the big ones that get reported in the news. Millions ...more

What Is GCF? GCF is an acronym for "Greatest Common Factor." GCF is the largest number that can divides evenly into 2 or more numbers. Step 1: The first step to finding the GCF is to use what you know about prime factorization. Using a factor tree, find the prime factors of ...more

While most of us don't think twice about dragging a pattern or using Touch ID to open our phones, or entering a password in for our email and bank accounts, these features are there to protect some of our most private information. Only problem is, they don't do a good job of i ...more

Find out if there are local restrictions on color Before you fall in love with “Brilliant Blue”, “Gauche Green”, or any other paint color, check to see if any local authority restricts the colors you can use. This is especially important if you live in an historic area, newer ...more

The $35 Raspberry Pi is an amazingly useful single-board computer (SBC) with a good balance of price, performance, and connectivity options. But for some projects, it just isn't enough. Whether you need more computing power, a smaller size, or better machine-learning capabilit ...more

Sharing your personal information can come up for any number of reasons: you may want to get in touch with a colleague after work or you've been involved in a car accident and need to stay in contact with the other driver. Unfortunately, giving out information can be the key f ...more

While Vuzix is beefing up the processing power of its next-generation smartglasses with the Qualcomm Snapdragon XR1, the company will also give its devices an upgraded display engine. At the Augmented World Expo today, the smartglasses maker announced that it will pair its wa ...more

Over the years, the internet has become a dangerous place. As its popularity has increased, it has attracted more hackers looking to make a quick buck. However, as our dependency on the web grows, it becomes increasingly difficult to sever all ties. This means we have to prote ...more

This how to is about prime factorization. Prime factorization is finding all the prime numbers that make up one number. Here is a way to prime factorize. Step 1: Factor Tree A factor tree is a way of prime factorization. You start with one number, then find the factors of th ...more

Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more

As long as you're on the internet, you can be hacked. With an estimated 2.65 billion social media users, these apps are prime targets for hackers. While companies like Facebook, Snap, and Twitter do a formidable job against the waves of attacks they receive daily, they are no ...more

Are you thinking about upgrading your iPhone this year? Apple sure wants you to. Of course, that's no different than any other year, but Apple really wants you to upgrade this year. How do we know this? The rumors point to not three, not four, but five brand new iPhones in 202 ...more

When it comes to digital security, one of the best ways to protect yourself is to use two-factor authentication. Most apps these days support it, including Facebook, a site where the more privacy you can muster, the better. However, of the two 2FA options available for Faceboo ...more

When you first set up an iPhone, you'll be prompted to create a six-digit passcode to unlock your screen and access certain system settings. If you skip this step, you can always go back and create one, which we highly recommend. Without a passcode, everything on your iPhone i ...more

With gas prices soaring in the US and around the globe, the cost to drive to a vacation destination is becoming a much larger expense item in the overall travel budget. Although it's easy to see that gas prices have risen dramatically in the past several months, it's not nearl ...more

China-based virtual reality headset maker ANTVR has decided to enter the augmented reality space, and to do so it's launching its headset on Kickstarter. The company claims that its new Mix AR device has a field of view that surpasses the Meta 2, the HoloLens, and others withi ...more

Augmented reality wearables maker ThirdEye Gen, Inc. has officially released what it claims are the "smallest mixed reality glasses" in the X2, which will be available for hands-on demonstrations at the company's CES 2019 booth this week. The sequel to the X1 model, the X2 pa ...more

When first released, the iPhone SE was nearly identical to its iPhone 6S counterparts in all but form factor. While the rumored SE 2 (if it even happens) is expected to follow suit with the iPhone 8 models, that hasn't stopped people from wondering what it would look like with ...more

When it comes to making smartglasses that look more like regular eyeglasses and less like sci-fi helmets, Corning International might be among the suppliers to make it happen. In a recently-released concept video, Corning demonstrates how its precision glass wafers and panels ...more

The peaceful, pastel and doily-filled world of Pinterest is my oasis. My account conveys who I want to be and what I want to accomplish, so the idea of someone hacking it and ruining my favorite escape for me is heartbreaking. Fortunately, Pinterest has updated its security, i ...more

What Is Prime Factorization? Prime factorization is finding prime numbers that, when multiplied, equal the original number. Method The best and easiest way to do prime factorization is to use a factor tree. Step 1: In this example, we will look for the prime factorization ...more

Most websites and apps support two-factor authentication (2FA), which adds an extra layer of security to your accounts by requesting another form of identification beyond username and password. The second factor can be a recovery code, physical security key, or one-time passwo ...more

The emerging narrative as CES begins is that consumer-grade smartglasses require a heavy compromise in functionality in order to arrive at a form factor and price point that appeal to mainstream customers. China-based startup Nreal is ready to subvert those expectations with ...more

One of the main reasons Authy was able to top our list of the best two-factor authentications apps was its ability to transfer access to a new device. This feature ensures that whenever you get a new phone, you don't lose all your tokens. However, if the process is done incorr ...more

If you want the best two-factor authentication app out there, our pick is Authy. A close second is LastPass Authenticator. If neither of those is to your liking, try Duo Mobile or Microsoft Authenticator. But if you're fine with missing out on great features, then and only the ...more

Since starting as a simple messenger with self-destructing pictures, Snapchat has grown into a full-fledged social media platform. As features were added, new permissions were requested, and we're all probably guilty of just tapping "OK" to try out the latest and greatest. But ...more

With so much money on the line, it's no surprise that cryptocurrency exchanges are prime targets for cybercriminals. Because of this, the importance of keeping your personal account as secure as possible cannot be overstated. Binance is one step ahead in this regard, as it req ...more

Move over Venmo, Apple Pay Cash is here, and it's built right into iMessage. If you're like us, you've been eagerly waiting to give this new feature a try on your iPhone ever since Apple announced it during WWDC 2017 back in June. While it was never released in the main iOS 11 ...more

New research explores how the bacteria on the penis can leave men more susceptible to infection with HIV. Since 1981, the HIV/AIDS pandemic has infected more than 70 million people, killing almost 40 million. As research on a vaccine and treatments move forward, other studies ...more

Solid-state LiDAR is cheap, robust, and compact in size — this is why the device is seen as the LiDAR of choice for future high-volume production of level 3 and level 4 cars. LiDAR sensors, or light detection and ranging sensors, play a key role in detecting surrounding objec ...more

When shopping for a new smartphone, you'll encounter comparisons and spec sheets that are filled to the brim with values like mAh, GB, and GHz. To the average consumer, however, these values are meaningless, so we end up looking at which device has the specs with the highest a ...more