Divide Big Numbers

In just a few weeks, on May 29, the annual AWE (Augmented World Expo) conference will take place once again in Silicon Valley (Santa Clara, California, to be exact). And while everyone will be on the lookout for the next big thing in augmented reality coming from major player ...more

What Is Scale Factor? Scale factor is the ratio of the length of the scale drawing to the corresponding length of the original object. Solving Problems We are told to find the scale factor when we are given the original and new dimension of an object. The formula for questi ...more

Step 1: Divide Your Hair in Three Parts. Step 2: Make One Braid Step 3: Make a Second One Step 4: Make a Third Braid with the Rest of the Hair Step 5: Start Braiding Them Till You Have One Big, Cute and Easy Braid! Step 6: Show your cute braid to everybody and enjoy it!

While our time with the Protostar VM from Exploit Exercises was lovely, we must move on to bigger things and harder challenges. Exploit Exercises' Fusion VM offers some more challenging binary exploitation levels for us to tackle. The biggest change is that these levels are al ...more

Welcome to this short and easy tutorial on hacking and DDosing (is that even a word I don't know) anyways lets get started First of all DDos means distributed denail of service attack, and yes i don't know what the HELL it means either. but anyway DDosing is where you spam a ...more

Dirty, malformed, and outright mischievous text strings have long been the enemy of interactive website developers. Strings contain any combination of letters, numbers, spaces, and punctuation, and are entered into text boxes on websites by users. These strings in particular c ...more

What Is a Square Root and a Radicand? A square root is a number that when multiplied by itself, results in its original number. For example, the square root of 16 is 4 because 4 • 4 = 16. A radicand is the value that you want to find the root of. For example, 16 is the radic ...more

Greetings, fellow NBers! Welcome to my sixth iteration of my sorting series. Today, we'll be discussing a personal favorite: Quicksort, or Quick Sort. Quick Sort: The Algorithm Under the Hood Quick Sort is what's called a "divide and conquer" sorting algorithm. It takes a p ...more

Check it out: you save more dough (ba dum bump) when you order a large pizza than with any other size. Why is this true? NPR reporter Quoctrung Bui's engineer friend pointed out that a medium pizza was twice as big as a small one, yet only cost slightly more. Less Money, Mo' ...more

I love my Mac just the way it is. Well, minus the fact that I accidentally deleted iPhoto and would now have to pay $14.99 to get it back. Other than that, my Mac is pretty sweet. But, when I saw an offering for 8 free Mac apps, I couldn't pass it up. You get 8 apps from Stac ...more

This week, we're beginning to see the wide ranging impacts of some of the early iterations of augmented reality hardware and software. For example, we now know how many Microsoft HoloLens devices have been sold. We're also seeing the impact of AR on revenue at Snapchat. And s ...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

Being able to write your own hacking tools is what separates the script kiddies from the legendary hackers. While this can take many forms, one of the most coveted skills in hacking is the ability to dig through the binary files of a program and identify vulnerabilities at the ...more

As a developer, before you can make augmented-reality robots that move around in the real world, controlled by a user's finger, you first need to learn how to harness the basics of designing AR software for a touchscreen interface. In recent years, the vernacular for referrin ...more

Fast maths tricks! Video: .

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

Its official: On May 8, T-Mobile finally released the Android Oreo update for the LG V30 and V30+. Now, every major US wireless carrier has pushed the update. For me, this update is a big deal. Not only does Android Oreo bring some new tools and features, but LG has also inclu ...more

These days, it's easy to cut the cord. Thanks to a new crop of streaming TV apps, you can get the same service offered by a traditional cable subscription at a fraction of the price. After some extensive testing, we believe we've found the absolute best apps for cord cutting. ...more

All fields of study have their own language. For people interested in learning about microbes, the language can sometimes be downright difficult — but it doesn't need to be. From antibiotics to xerophiles, we have you covered in an easy-to-understand glossary. Terms are liste ...more

Although their effectiveness is waning, antibiotics remain a front-line defense against many infections. However, new science reveals using the wrong antibiotic for an infection could makes things much worse. It is common knowledge that overuse of antibiotics has led to the g ...more

Nearly every native app on the iPhone received an upgrade or new features in iOS 14 — and Safari is no exception. The web browser now has better password protection, faster performance, privacy reports, and built-in translations, just to name a few. Some of the Safari updates ...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

Let's say today is your birthday. You've just put those boisterous, vicenarian times behind you, reaching the first big step to your upcoming midlife crisis—30 years old. Maybe this is your midlife crisis. After all, if you're not where you want to be in life when you join the ...more

The manual that's included with the Canon EOS 5D Mark II is a great starting point for learning the camera, but it's definitely not the only place you should be getting your information from if you intend to master your 5D Mark II. If you don't have the manual, you can downloa ...more

The developer community has already made some incredibly quick progress on implementing assemblers, interpreters, and emulators for the proposed virtual computer in 0x10c, Notch's latest game. But the truth is that the majority of programmers out there couldn't be bothered wit ...more

For years, smartphone makers have been caught up in a megapixel spec race to prove that their camera is better than the next guy's. But we've finally come to a point where even the lower-end camera phones are packing more megapixels than they need, so it's getting harder to di ...more

On the airplane, in the middle of cold and flu season, your seatmate is spewing, despite the clutch of tissues in their lap. Your proximity to an infectious person probably leaves you daydreaming (or is it a nightmare?) of pandemics and estimating how likely it is that this se ...more

When Apple acquired the popular Workflow app in 2017, many were worried that it would either get replaced with something much worse, or just disappear entirely. Thankfully, Apple put these concerns to rest with the launch of Shortcuts. In iOS 13, Shortcuts is becoming more pow ...more

In case you didn't know, Android has an awesome hidden settings menu called "Developer options" that contains a lot of advanced and unique features. If you've ever come across this menu before, chances are you just dipped in for a minute so that you could enable USB debugging ...more

Add antibiotics to the possible list of culprits responsible for honeybee decline around the world. While it may come as a surprise, antibiotics are commonly mixed into feed used by commercial beekeepers to maintain their hives. In a recent study published in PLOS Biology, re ...more

We all know that it's important to drink water regularly throughout the day. After all, it has so many benefits, including flushing toxins out of the body and maintaining kidney health and good bowel movements. Turns out that's only part of the story. While being properly hydr ...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

The top five apps of the 2010s were all social media apps of some kind, and the fact that's not surprising to you says a lot. We may use them for other reasons here and there, but our phones are social media machines at their cores. The thing is, some make better machines than ...more

There's a little-known secret in the world of microwave ovens that even the manufacturers don't care to tell you in their manuals. And once you know it, you'll never go back to using your microwave as you used to. Some microwave owners have figured this "hack" out on their ow ...more

Whether it's for health reasons or just to look better, many of us want to get in shape. It's a long process that starts with nutrition, and dieting is never easy. Fortunately, there are some great food-tracking apps that will make it a lot easier to become a healthier version ...more

Back in the eighties, I used to hate television commercials, but I eventually got used to them. Had to, in order to enjoy my favorite shows. Then, the increasing number of billboard ads annoyed me in the nineties. They followed me everywhere I went—no escape—persuading me to b ...more

Want to stick it to your mobile carrier by porting your cell number to Google Voice? Now you can! On Wednesday, January 19th, Google Voice began allowing select users to transfer their personal numbers to Google Voice for a one-time fee of $20. Though the feature is still in ...more

Facebook is constantly evolving, and lately it seems like a bad thing, at least for its users. First, you had to opt out of Instant Personalization, which shared your personal information with Facebook's partner sites. Then, you had to take drastic measures to secure your hom ...more

I remember a time when I had to rent a VHS from the local video rental store. It wasn't all that bad, with the only real annoyances being the trip to and fro, having to rewind the movie and the possible malfunction of my VHS player, which liked to eat tape from time to time. ...more

It’s called Urophagia—the art of consuming urine. There could be any number of reasons for having the desire to drink your own urine (or somebody else’s). There’s the so-called term “urine therapy,” which uses human urine as an alternative medicine. In urine therapy, or uropat ...more

In a recent arbitrage tip, we showed you the secret to making money fast by buying and selling the same thing over and over again on eBay. But there's one thing you need to know about the buying part—get the lowest price possible! This article aims to show you some of the best ...more

Fire.  It’s everywhere— always has been.  From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene.  Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more

Most of the time, when I’m bored during math class, I play with my calculator to satisfy my boredom. Recently, I've discovered that when multiplying any number by 11, 111, or any number similar to it, that it has a pattern (though I guess everything in math has a pattern). I d ...more

This method is easy, intuitive and requires very little math. You will need: Any flat flexible sheet material (ex. paper plates for this how-to) Pencil or pen Scissors Stapler, tape, glue or fasteners Ruler or straight edge Protractor Flatten Plates Flatten the paper plate ...more