How to Calculate the Radius of a Circle When You Know the Area?

Kick Ass Review Part 2: Gameplay and Design In the game, you can play as Kick Ass, Hit Girl, or Big Daddy. Each charater has a light and heavy attack that can be strung together into small combos. Each character also has three special attacks assigned to the Square, Triangle, ...more

I just found out that I might be expected to tip all the vendors... on top of the exorbitant fee they charge! Sigh... Here is a great tipping cheat sheet courtesy of theknot.com. When you're already dipping deep into your (or your parents') savings for so many wedding expense ...more

Apple just released its biggest update to iOS 17 yet, and there are 60 exciting new changes for your iPhone. With iOS 17.2, you get a brand new app, more Apple Music enhancements, upgrades in Messages, and a new security feature that was announced last year, as well as changes ...more

Check In is a new safety feature built into the Messages app that can automatically notify a family member, friend, another contact, or a group the moment you arrive safely at a destination, giving them peace of mind in knowing you're all right. If you never reach your stoppin ...more

Of all the new features and changes on iOS 16.5, the Apple News app has the most, and there are a few big ones that will change the way you read stories. Some updates even affect Apple News on iPadOS 16.5; the most significant ones apply to both free users and Apple News+ subs ...more

Whether you're staying in your hometown for the weekend or traveling to a nearby or faraway city, live music is always a great option for entertainment — but finding decent music or a good music venue isn't always easy. With new features added to two of its core apps, your iPh ...more

When you see foreign words on a sign, unfamiliar currencies on a dinner menu, or a recipe using a different measurement system, there's a good chance you google it for a translation or conversion. Your iPhone's Translate app comes in handy for real-world language translations, ...more

While the Maps app hasn't received as big an update in iOS 16 as Books, Messages, Photos, and Weather did, there are still quite a few exciting new features to enjoy on your iPhone. In the new Apple Maps update, there are improvements to trip planning, public transit informat ...more

While it doesn't come with any iPad models out of the box, the Apple Pencil is perhaps the best iPad accessory you can get. It's a powerful writing and drawing tool with an intuitive design and user-friendliness that makes it easy to take notes, draw sketches, mark up document ...more

Not all weather sources are equal. When you're looking at the forecast, you hope that it's at least semi-accurate so you can plan the week and days ahead, but many sources are unreliable. And with the famous Dark Sky API shutting down on March 31, 2023, you'll need an alternat ...more

Apple's iOS 15.4 update for iPhone is out after 46 days of beta testing, and it has some exciting features you won't want to miss. Here's everything you need to know about the new software. The iOS 15.4 software has been available to developers since Jan. 27, 2022, and public ...more

When you need to drive somewhere unfamiliar, you probably use Apple Maps to get there if you're an iPhone user. But just getting there isn't enough sometimes. If you pull up to the location, and there's nowhere to park, it doesn't matter that you arrived on time since you'll b ...more

If you have Snap Spectacles 3, the dual camera-equipped sunglasses capable of capturing 3D photos and video, by now you've likely jazzed up the videos you've captured on the wearable with Lenses via Snapchat. You've probably also realized that the available AR effects are rel ...more

The new iOS 14 for iPhone arrived Wednesday, Sept. 15, 2020, alongside iPadOS 14, and there are a lot of features to uncover. Improved widgets. Better home screen customization. Exciting Messages improvements. New abilities in Camera and Photos. There's so much here that it'll ...more

5G is undoubtedly the future of mobile networks, and there's a good chance your next phone will have it. But just like with 4G, as carriers race to get the best 5G coverage, the ones running behind are abusing marketing terms to make themselves seem further ahead than they act ...more

Apple has implemented a new sensor on the rear camera of its fourth-generation iPad Pro, and it's pretty exciting. It's called the LiDAR Scanner, a scanning "light-detection and ranging" sensor, and you may very well be acquainted with it if you follow any driverless car news. ...more

Apple's Reminders app is essential for those of us with a forgetful memory. But a standard Reminders entry isn't foolproof. They aren't great if you need to do something right when you get somewhere, since it can be tricky to set a specific time for that reminder. That's why A ...more

The Pixel 4 and 4 XL are the first Android phones released in the US to support secure facial recognition. You no longer have to hate on your Apple's friends because you now have "Face ID" as well. So I assume you want to set it up right away — here's how. The new facial reco ...more

The updated Reminders app in iOS 13 makes productivity a little bit more seamless on the iPhone. The overhauled user interface makes it easier to find your reminders, the new Messages integration makes it simpler to remember to-dos regarding your contacts, and the new toolbar ...more

We've all been there — using Google Maps for navigation and waiting for the app to find our location. As we drive around, we keep hoping it will get a lock in time to make the next turn. Well in the US, we finally have a solution to this problem, and it's the OnePlus 7 Pro. T ...more

Using a green screen is an affordable and easy way to transport your video to anywhere imaginable, even to places that don't exist. You can use it to sit behind a desk in a busy newsroom or dance on the moon, but first, you have to know how to properly perform chroma key compo ...more

You may not know it, but the IPv4 address of your computer contains tons of useful information about whatever Wi-Fi network you're on. By knowing what your IPv4 address and subnet mask are telling you, you can easily scan the whole network range, locate the router, and discove ...more

To hack a Wi-Fi network, you need your wireless card to support monitor mode and packet injection. Not all wireless cards can do this, but you can quickly test one you already own for compatibility, and you can verify that the chipset inside an adapter you're thinking of purch ...more

Unlike the realm of virtual reality, augmented reality is less about losing yourself in some fantasy environment, and more about getting things done in the real world. So while we've seen some great games that capture the imagination on devices like the Magic Leap One and the ...more

If there's been one signature design element for Apple's iPhones, it was the circular Home button. It served as the "everything" button for each iPhone model until last year's iPhone X, but now, it's completely absent from the iPhone XS, XS Max, and XR. Should you be worried? ...more

When it works, Android's Smart Lock feature is incredible. There's no need to enter your PIN when your phone "knows" it's in your hands — just unlock and go. But Smart Lock, particularly its Trusted Places feature, can be finicky sometimes. Most of Smart Lock's features are r ...more

As expected, Apple revealed today at the WWDC keynote that ARKit 2.0 will support multiplayer gaming support and persistent content, which will arrive this fall with iOS 12. In addition to persistent and shared experiences, ARKit 2.0 will bring improved face tracking, more re ...more

Apple first included a dual-lens camera onto its iPhone 7 Plus back in late-2016, yet not many developers besides Apple have harnessed the depth data that "Portrait" mode photos provide. A relatively new app is changing that, though, by using that depth information to let you ...more

PUBG is currently taking the mobile world by storm, and it's easy to see why. The game has breathed much-needed life to the multiplayer shooting genre, primarily by adding an element of sheer terror as you scavenge for weapons in a hostile environment. With new players continu ...more

With PUBG and Fortnite dominating the gaming scene, other companies are making royale-themed games to get in on the trend. Futureplay is no different, as they've soft launched Battlelands Royale in Finland, Poland and Ukraine to iron out bugs before its worldwide debut. If you ...more

After testing a series of Android 8.0 builds, Essential hit the reset button and jumped to Android 8.1 Oreo. The beta program didn't last long, as Essential has now released the official 8.1 update to the masses. The features from the 8.0 betas are all still there, plus a few ...more

Dating websites allow you to see a person in a very intimate context, framing their successes and accomplishments in life to an important audience. The information contained in these profiles often can't be found elsewhere, offering a unique look into the personal life of the ...more

Snapchat offers a rich experience for anyone looking to communicate with pictures in addition to (or instead of) words. There are many ways to share your snaps, from Memories to My Story. You can even draw all over your snaps, creating a unique experience that hinges on your o ...more

Last week, augmented reality startup Proxy42 released Father.IO, a multiplayer game that turns any indoor or outdoor space into a laser tag arena. A $40 Bluetooth-connected, infrared sensor-equipped device called the Interceptor converts your standard iPhone or Android smartp ...more

The iPhone X was released in November 2017, and the iPhone 8 and 8 Plus dropped right before it, but the hottest news right now revolves around the 2018 iPhone releases. The rumor mill regarding the iPhone X's successor started churning out speculations on names, cameras, disp ...more

The iPhone X has a new unlocking mechanism called Face ID, which replaces the old Touch ID system since the phone no longer has a fingerprint sensor. The way it works is simple — you just look at the phone, it recognizes your face, then the system unlocks — so Apple deserves t ...more

If you want to find out the linear distance between your hotel and a landmark or restaurant you want to visit, Google Maps has a great feature that lets you quickly measure the distance between two or more points. It's perfect for getting an idea of how far places are in relat ...more

YouTube's mobile live streaming feature is great for connecting with your audience in a more personal way than traditional videos provide. Audiences can view and respond to content in real time, and creators can do the same. While unfortunately not available to everyone — you ...more

The new battlefield AR game announced by Skyrocket Toys today is similar to the childhood game "Tag", except the stakes are much, much higher. Skyrocket Toys are known for selling drones and other gadgets that have previously utilized AR/VR. This includes products such as Meb ...more

Whether you're a professional mechanic, a hobbyist, or someone who just wants to know why their check engine light came on, your Android device and an OBD-II adapter can provide insight as to what's going on with your car. Most adapters sell for less than $10, and once you plu ...more

It's official — the newest version of Google's mobile operating system is called Android 8.0 Oreo, and it's in the process of rolling out to many different devices. Oreo has plenty of changes in store, ranging from revamped looks to under-the-hood improvements, so there's tons ...more

Every year, 100-200 people in the US contract leptospirosis, but usually 50% of the cases occur in Hawaii where outdoor adventurers are exposed to Leptospira bacteria found in freshwater ponds, waterfalls, streams, and mud. That's why it's so alarming that two people in the Br ...more

The private automobile has been an intrinsic part of our lives for around a hundred years. But over the last decade, car sharing has gained a very small but growing part of the mobility market. The more recent rise of companies like Uber and Lyft is witness to a more dramatic ...more

While iOS 11 is ready to take over your iPad, iPhone, and iPod touch, let's take a step back and check out all of the new features that iOS 10 brought to the public when it was released to everyone in Sept. 2016. Some of the updates from iOS 9 to iOS 10 were huge, as you'll s ...more

If you've seen, heard, or even tried the latest virtual reality headsets, you've probably heard about something called "room scale." It's why the HTC Vive suddenly usurped the reign of the Oculus Rift while no one was looking, and it's exactly where Oculus hopes to catch up. H ...more

To become a tried-and-true Pokémon master in Pokémon GO, there's an incredibly important decision that needs your attention: Team Instinct, Team Mystic, or Team Valor? We know—it's a tough choice to make, especially when you can't change teams without creating an entirely new ...more

It seems like everyone is getting in shape these days (or at least trying to improve their fitness), and as a result, there's an endless supply of fitness trackers and smartwatches hitting the market. This is all very wonderful, unless of course, you're broke and can barely af ...more

If you want free Poké Balls and eggs when playing Pokémon GO, you can find them at PokéStops in variation locations around your city, which are marked with towering blue icons on your map. Once you're at Level 5, they'll also grant you Potions and Revives to help you in your b ...more

When a friend asks me what screen recording software is best to use, I always say the same thing—you don't need any! Even though it's been around since 2009, many Mac owners do not realize that they have a powerful screen recording software built right into OS X. You can reco ...more

Welcome back, my greenhorn hackers! As expected with Null Byte's dramatic growth over the last year, we have added many new aspiring hackers who are still lacking in the basics of networking. In addition, with the new "White Hat" certifications coming out shortly, the exam wi ...more

Windows 10 is officially here, and frankly, there's a ton of new features in Microsoft's latest operating system. From the return of the Start menu to the new Edge browser, Windows 10 can take some getting used to. Luckily, we've done a lot of the leg work for you, and what f ...more

Looking back at my childhood in the '90s, I can't help but feel like I was deceived. Movies that took place in the "future," like in the year 2015, would showcase awesome technology. You know, self-driving or flying cars, hoverboards, and virtual displays controlled with hand ...more

If you're trying to get a new iPhone 6 or 6 Plus, we know you've been struggling to find one, and we're here to help. With Apple's preorder numbers topping 4 million in the first 24 hours, it was nearly impossible to get one during the first wave. After the first sales weeken ...more

Text input on a touchscreen device is constantly evolving. From early beginnings of pecking out each individual character to today's predictive text and gesture keyboards, we've already come a long way. But text selection is still lacking. If you've ever tried to quote multip ...more