Find Volume Using Rectangular Solids

Despite its rocky start, the Essential PH-1 has a lot going for it. Not only does it get consistent security patches and system updates hours after the Pixels, but like the Google-developed lineup, it's also great for rooting. Not only is your warranty not void with rooting, b ...more

Voice-activated digital assistants from Amazon, Apple, and Google currently have the upper hand for home automation integrations, but a new augmented reality mobile app promises to give homeowners and renters visual control over their connected appliances. Smart AR Home, avai ...more

With the recent launch of the developer preview for Android 9.0 Pie, many are clamoring to get their hands on some of the new features. Unfortunately for most Android users, Android Pie will not arrive on their device until 2019. The good news is you can add one of Android Pie ...more

For a long time now, VLC has been the go-to media player for Windows and Mac — but it's fast becoming the best third-party video player on Android and iOS, too. Aside from its ability to play virtually any file type, one of VLC's best features on mobile is the fact that you ca ...more

The iPhone has a handy feature called AssistiveTouch that lets you quickly adjust volume, lock your screen, rotate your display, and even navigate through the phone's interface using a virtual home button. In a way, it's a lot like the on-screen navigation bar that you'll find ...more

We have shown you how to get CyanogenMod on your HTC One and Samsung Galaxy S3 in only a matter of minutes. But when modding your phone by installing custom ROMs, you'll often lose your access to Google Apps. Since Google's Apps are very useful (Gmail, Chrome, and Maps to name ...more

It's rare that a developer listens to the wishes of the masses, but that's exactly what CyanogenMod has done with their new CyanogenMod Installer, which automates the entire ROM installation process on your HTC One or other Android device. Previously, upgrading from the stock ...more

Whether it's the new iPad Killer or not, one thing's for sure—the Motorola XOOM is hackable. Just hours after its release last week, Verizon's new Android-based tablet (running Honeycomb) was rooted by hacker Koushik Dutta, which seems easy enough. "Since it’s another Google ...more

A lot of different places have computers with controls on them for several things; some have controls for installing software, some for running software, blocking websites, opening certain file formats, etc. Obviously, not all places use the same methods, and not all of the m ...more

A game labeled as 'educational' usually spells its death among hardcore gamers. The educational game genre is mostly intended for children, and games that appeal to children often lack the sort of widespread appeal that makes them commercially successful. Many people play gam ...more

Computer crashes, fried hard drives, red rings of death, delinquent memory cards... nothing is worse than dysfunctional technology. In just a minute, your favorite and most used device has become the biggest headache of your life, frustrating you to the brink of madness. But w ...more

When I was attending college, my friends had a phantom thief in their dormitory. Almost every night, a different item of food would go missing, never to be seen again. There was constant speculation as to whom the thief was and how to catch them. Security cameras were deemed t ...more

Hey everybody, here is my entry for the medieval building contest. I don't actually care if I win, it was just fun to think about. I have this great book series called The History of Private Life which goes into wonderful detail about how people did everyday things throughout ...more

At some point, we all go from organized to disorganized. Let's assume you are a business executive working in a busy corporate building. Chances are you are going to get a heavy workload and it will impact how clean your workspace is. However, this article is about keeping you ...more

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our moderators and contrib ...more

Hello and welcome to another InfoSecurity World tutorial. The intent of this article is to teach one how to encrypt sensitive files. When set up correctly with a strong password, it would be almost impossible to hack. Even the FBI have had issues decrypting this software. I'm ...more

Last week Math Craft admin Cory Poole demonstrated how to make three of the platonic solids from Sonobe units: the cube, the octahedron, and the icosohedron; but where was the dodecahedron? I was pushed to find out how to make a sonobe dodecahedron from this beautiful picture ...more

I'm not sure exactly when it happened, but it's awesome that you can now download music from the iTunes Store that's free of DRM (digital rights management) limitations. That was always my biggest problem with buying music from iTunes. Paying a buck for a song that I can only ...more

Halloween is coming up, so many of you may have a need or desire to carve a pumpkin and turn it into a Jack O' Lantern. This week we are going to explore carving our pumpkins into interesting geometric shapes. In this post, we will carve the pumpkins into spherical versions of ...more

Welcome to Math Craft World! This community is dedicated to the exploration of mathematically inspired art and architecture through projects, community submissions, and inspirational posts related to the topic at hand. Every week, there will be approximately four posts accordi ...more

I've seen numerous tutorials on how to create a "strong" password. This makes me laugh. These titles imply "one" password, which is wrong in and of itself. A person should have many passwords, all different, and all extremely long. People may ask how they're supposed to rememb ...more

Some cops already have the ability to extract data from your cell phone using handheld forensic devices, but soon police officers will have a new mobile data collection toy to play with—an Apple iPhone. Actually, it's an iPhone-based device that connects directly to the back o ...more

Over the past few months I've written up several helpful How-To guides to help you with various FarmVille related issues. It's about time I put them all in one place so they are easy to find, learn from and share! It has been a pleasure writing for you all and I do hope I have ...more

What started as an accessibility setting for hearing aids turned out to be a super helpful tool for anyone with a good set of Bluetooth headphones. The problem is that most iPhone and iPad users still don't know about it. If you're one of them, you need to see what this underr ...more

When you take a screenshot on your iPhone, it's automatically saved to your Photos app. You can ignore the screenshot thumbnail or swipe it away, but you shouldn't. If you open the screenshot editor instead, you'll gain access to your iPhone's most useful screen capture tool: ...more

Apple last month released iOS 17.2, its biggest iPhone software update since iOS 17.0, with 60 new features. Now, as of Jan. 22, we have iOS 17.3. Overall, it's not the behemoth software update that iOS 17.2 was, but it has a few exciting new things you'll definitely want to k ...more

With iOS 17 on your iPhone, you have access to new health- and fitness-related features that can help you improve your mental well-being, reach your fitness goals, take your medication on time, avoid eye strain, and more. The biggest new features are found within the Health a ...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

In case you missed it, Apple has added a lot of new features and enhancements to the Music app on your iPhone, changes that benefit both Apple Music subscribers and non-subscribers. Chances are, you haven't seen all the changes yet, especially since many of them weren't releas ...more

Safari's massive upgrade in Apple's latest iPhone software update includes new features you won't find in any other web browsers on iOS, from better ways to stay organized to enhanced security and further privacy protections. Apple's latest Safari improvements make web browsi ...more

Your iPhone has a safety feature that makes it easier to call 911 in the U.S. and other emergency services abroad. Instead of fumbling with your iPhone's dialer, you can call someone for help in various ways — with or without your hands. Emergency SOS has been around since iO ...more

An invaluable button on your iPhone can do hundreds, even thousands of amazing things, but most iPhone users don't even know it exists. You can't push it. You can't click it. You can't press it. But it's the largest button on your iPhone, more powerful than the versatile Side ...more

Your iPhone has hidden apps that work behind the scenes to filter SMS messages, trust computers, deal with payments, test ads, and perform other actions. You won't find any of them in your App Library, but there are tricks you can employ to unlock and use some of these secret ...more

Apple's iOS 16.3 update for iPhone had impressive new features, but iOS 16.4 might impress you even more. The latest iPhone update was released on Monday, March 27 — a day earlier than Apple Music Classical, Apple's new classical music streaming service — has at least 30 more ...more

The iPhone 13 and iPhone 14 series models have a new feature on iOS 16 that lets you use Face ID when your iPhone is in landscape orientation. This is most helpful when trying to make purchases in apps and games where you use your iPhone rotated on its side. If you're having i ...more

You see the status bar nearly everywhere on your iPhone, and it almost always looks the same. But you can use a few tricks to spice things up a bit — without jailbreaking your iPhone. The status bar's background on iOS is transparent, so you'll see different colors and gradie ...more

Siri can perform many actions for you on your iPhone, such as sending messages, providing information, getting directions, looking up a contact, and playing music. Still, there are even more important Siri voice commands that every iPhone owner should know — even the ones who ...more

The latest software update for iPhone has a few new features you should know about, including an enhanced security feature to protect your Apple ID account from phishing and other attacks. Keep reading to see everything new that's included with iOS 16.3 for iPhone. The iOS 16 ...more

You've decided you want to lose weight or build lean muscle. That's great! Now grab your smartphone. It's a valuable asset that can help you achieve your physical fitness goals, whether to improve your health or enhance your appearance, and I'm going to show you how. Numerous ...more

While it's not usually the first thing everyone looks at after installing a new iOS software update, I'd give the new accessibility features on your iPhone priority attention because there are some highly valuable tools that even users without disabilities can enjoy. Of cours ...more

If you're doing the same tasks on your Android phone repeatedly each day — like playing a specific playlist at the gym, viewing work documents, or watching your favorite music video — you can save some time by automating your routine, turning each task into a one-tap gesture o ...more

There's a hidden feature on iOS that will turn your iPhone or Apple Watch into a remote control for your nearby iPad or other Apple devices — and it's nowhere near as complicated as Switch Control. For the longest time, Switch Control was the only built-in way to control one ...more

It hasn't been long since Apple released iOS 16.0 with over 350 new features, but iOS 16.1 just came out with even more cool updates for your iPhone. While some of the recent upgrades were expected, others are somewhat surprising — and there's even one that you may not even th ...more

If you use the Apple TV Remote found in your iPhone's Control Center, there's a hidden surprise you'll like with the iOS 16 update — one that lets you use the remote without ever having to open Control Center. You can use the Apple TV Remote to control media playback on your ...more

It's no secret that Apple's iOS 16 update is packed with useful features, but some of them Apple never even mentioned. Not at the software's unveiling in June and not even after iOS 16's public release in September. It's actually surprising considering that one little-known ne ...more

If you haven't noticed yet, there are a lot of new features hiding in your iPhone's Messages app, and some of them are things users have been requesting for a long time. While iMessage is getting a lot of attention by letting us edit and unsend messages, it's only just the sta ...more

Apple gave its Photos app some serious muscle in a new update, and it's time to start flexing. Photos has so much power now that it may finally be time to ditch all your iPhone's other photo and video editing apps. You won't even need any third-party apps to remove background ...more

You can play background sounds on your iPhone to help you focus, stay calm, or fall asleep, giving you a personal sound machine wherever you go. Even better, there's a way to set each of your apps to play one of Apple's six ambient soundscapes automatically. When you open the ...more

If you get distracted or stressed out easily, your iPhone might be able to help you focus or calm you down. It can even help you fall asleep with white noise, and you don't have to install a third-party app or buy an audio track to turn your iPhone into a personal sound machin ...more

Your days as an ordinary Muggle are over — as long as you have an iPhone. With just a word or two, you can use your iPhone and newfound Muggle-born powers to cast spells or utilize charms just like Harry Potter and team. Only your "wand" is from Apple, not Ollivanders in Diago ...more

Remember when water and iPhones couldn't mix? Pools, tubs, and toilets would suck down the working iPhones of clumsy and careless owners and spit out expensive paperweights like they were nothing. Times have changed, however, and the newest iPhones can take a swim without fear ...more

Fans of "The Hitchhiker's Guide to the Galaxy" will remember the Babel fish, the universal translator you put in your ear so you can understand every language you hear. While Apple has its Translate app, there's another iPhone feature reminiscent of the Babel fish, but it lets ...more

Beta software can be exciting because you get to experience cool new features before most other people. But it can have unwanted consequences such as bugs, UI glitches, and horrible battery life that'll make you wish you never installed it. If that sounds like you with iOS 16 ...more