Adding and Subtracting

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 most common Wi-Fi jamming attacks leverage deauthentication and disassociation packets to attack networks. This allows a low-cost ESP8266-based device programmed in Arduino to detect and classify Wi-Fi denial-of-service attacks by lighting a different color LED for each ty ...more

Confirmation numbers, grocery lists, addresses, and phone numbers are all things we need to quickly jot down on our phones, but the thing is, they're never extremely easy to access later. You have to figure out which app you wrote them in, meaning lots of needless searching an ...more

Welcome back, my greenhorn hackers! I've been writing these Linux tutorials in an attempt to fill the void in the education of some aspiring hackers into the Linux operating system. There is a lot to know, and in this tutorial, we'll look at Linux file permissions. Step 1: Ch ...more

Coinbase is the primary go-to for many users when it comes to investing in Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Ripple (XRP), and more, due to its user-friendly interface. But before you join them, know that the ease of use comes with a price. Coinbase charges fees f ...more

Baking a cake is relatively easy... if you happen to have a cookbook or some boxed cake mix nearby. And though you can use the internet or your favorite cooking app, it can be nice to just cook without a recipe. That seems impossible with baking, which is such an exact science ...more

When we think of augmented reality, we usually think of it as adding things to our reality. A new demo has shown that using Apple's ARKit, we can not only add to reality but subtract from reality as well. The demo was posted by Laan Labs who just yesterday created a demo that ...more

Apple unrolled an array of nifty iPhone features in iOS 15. One of the more valuable updates lets you group all your untimely notifications and view them throughout the day at only the times you choose. In a nutshell, Scheduled Summary helps summarize and organize app notific ...more

Instagram stories are a great way to share your day-to-day experiences with your followers. However, it can be disappointing to see them go after 24 hours, especially if you shared something really special. Now, Instagram has a way for you and your followers to relive those gr ...more

Solving Equations with Fractions Using Addition In our first example, our equation is b - 11/10 = -13/5 We need to find out what the variable, 'b', is. A variable is a symbol that stands for an unknown number. To do so, we have to isolate the variable, meaning that we have t ...more

Life is all about spending time together with loved ones, experiencing new places together to enjoy and create memorable moments. Luckily, Google has made it easier for us to rendezvous with friends and family at specific places by letting us broadcast our locations using Goog ...more

Look, I'm no food snob. I once dedicated an entire day to eating only deep-fried things (butter, Twinkies, Oreos, pickles) at the Minnesota State Fair. But even I draw the line at instant mashed potatoes. I mean, why bother? It's not that hard to make perfectly delicious and f ...more

Welcome back, my novice hackers! It has become clear from some of your questions that quite a few of you are unfamiliar with the hexadecimal system, or simply, hex. The hexadecimal system is used throughout computing and if you have never studied this Base16 numering system, ...more

2 + 2 = 4. That's about as much math as I can handle without a calculator on a daily basis. I literally hate doing math more than anything in life, mostly because I'm not good at it—and I hate doing things I'm not good at. So, when I come across a cool math trick online that ...more

Continuing our series on building a dynamic user interface for the HoloLens, this guide will show how to rotate the objects that we already created and moved and scaled in previous lessons. So far, we've built a system that incorporates the user's gaze and what the user is lo ...more

MyFitnessPal adjusts your calorie goal for the day according to your activity level. The more active you tell the app you are, the more calories it tells you to consume — simple, right? Unfortunately, MFP doesn't tell you to consume fewer calories when you don't work out. Howe ...more

As you might know, there are a multitude of tools used to discover internal IP addresses. Many of these tools use ARP, address resolution protocol, in order to find live internal hosts. If we could write a script using this protocol, we would be able to scan for hosts on a giv ...more

With stay-at-home orders for most of us in the US because of the new coronavirus, many of you are likely struggling to be productive and efficient when working from home. Unless you've worked from home before, it can be challenging to separate work from personal life throughou ...more

When we are building programs that communicate over a network, how can we keep our data private? The last thing we want is some other lousy hacker sniffing our packets, so how do we stop them? The easy answer: encryption. However, this is a very wide-ranging answer. Today we'r ...more

Being part of the wild frontier is amazing. It doesn't take much to blow minds of first time mixed reality users — merely placing a canned hologram in the room is enough. However, once that childlike wonder fades, we need to add more substance to create lasting impressions. O ...more

Hello everyone! I hope you are having a great day so far. Today, instead of caring about networks we are going to talk about subnetting based on host requirements as promised in my first article about subnetting. Just like in the previous articles we will jump right into the e ...more

If you have a good food processor or blender, there's no reason not to make your own nut butters, whether you like almond, cashew, sunflower, or the perennial classic, peanut. Not only can you control the taste, sweetness, crunchiness, and oiliness of the butter, you can also ...more

From personal photos and videos to online banking passwords saved in your web browser, your phone has all kinds of sensitive data that needs to be protected. One of the best things you can do for your Samsung Galaxy S4's data is have a lock screen with a hard-to-guess PIN or p ...more

When you want a helpful task manager on your iPhone or iPad, any of the nine apps in this guide should be at the top of your list. But we'll review each app's features to help you determine which one might be best for your workflow. Using a task manager on your iPhone or iPad ...more

You watched the live stream, pored over the specs, and are now super excited for the Google Pixel 4. But specs don't tell you everything. After using the Pixel 4 XL for over a week now, we've found several things you wouldn't know without getting your hands on the phone. Most ...more

As augmented reality becomes more and more integrated into the mainstream, people have been wondering the future of AR is going to look like. Jay Samit has a pretty clear idea. Samit is an expert in digital media innovation. He has been called a leader in digital "disruption" ...more

The largest and arguably most widely known event of its type, especially in the US, the Sundance Film Festival is an annual celebration of independent film—ones made outside the Hollywood system. This year, a new type of experience appeared at the Sundance Film Festival in an ...more

It's that time of the year, y'all—when the air becomes crisp, the nights grow long, and people crave hearty, warm soups and stews. And of all the season's offerings, my hands-down favorite has to be chili: It's versatile, meaty, and above all else, it's damn easy to make. (Tha ...more

Now that Google has announced its new Pixel smartphones, folks who rushed to buy an iPhone 7 might be experiencing a bit of buyer's remorse. The new Pixel and Pixel XL are packed to the brim with cutting-edge features and top-notch hardware, and Google seems to be taking direc ...more

In this Tutorial I will show you how you can use the frequency of letters to decrypt the famous Caesar cipher. I hope it is easy to understand and helpful for getting in touch with basic cryptanalysis. If you find any mistakes or have questions feel free to ask me. Finally I a ...more

Hi all, Pro Hackers/Crackers, Let's see how we can use batch for our own Protection instead of exploiting someone with it. And this tutorial is going to explain the same. #1 Protection, PC Security: I will tell you how to add another level of security to your PC, instead of j ...more

In order to make your food taste good, your favorite restaurant is most likely using way more salt than you think they are (among other pro secrets). Which is why when you ask just about any professional cook what the biggest problem with most home-cooked meals are, they almos ...more

What would you say if I told you it was entirely possible—even desirable—to cook anything from a simple dinner to a great loaf of bread without using measuring cups, spoons, or a scale? "Lies," I can hear you say, "Cheap internet lies!" But it's true. Experienced cooks are a ...more

Smartphones and other Wi-Fi enabled devices send radio signals called probe frames to locate nearby wireless networks, which makes them easy to track by listening for their unique MAC address. To show how this kind of tracking works, we can program a NodeMCU in Arduino to snif ...more

I always keep my iPhone's Portrait Orientation Lock on so that my screen doesn't randomly rotate while I'm lying down. However, there are certain apps that I do turn it off for. It's kind of a pain since you have to swipe down the Control Center and toggle the orientation lock ...more

With shows like "The Mandalorian" and movies like "Frozen 2," Disney+ has quickly become a must-have streaming service. However, with Netflix, Amazon Prime Video, and Hulu, adding another subscription-based service can become expensive — but there are ways to trim down the cos ...more

Okay, it's true: even the highest quality instant coffee is never going to replace really good fresh beans (and properly cleaning your coffee maker) when it comes to creating a great cup of joe. However, instant coffee does have all kinds of uses in the kitchen, as the smart f ...more

If you live in a small town, weather apps can be unreliable. Before moving to Los Angeles, I always had to add or subtract five degrees or so from what my weather app said because I couldn't trust it. With the help of BloomSky, you will be able to get an accurate weather readi ...more

In one of my previous articles, I showed off how to make water freeze into ice instantaneously. In this article, I'd like to elaborate on this, and show how a glass of water can turn to ice instantly on command. What exactly is this supernatural power? Discover the secrets to ...more

Imagine two stakes in your backyard. Now draw an east-west, north-south coordinate system on your lawn. Measure the east-west distance between the stakes and also the north-south distance. Take the square root of the sum of the squares of the two measurements and, voilà, you e ...more

Solving long and extensively complicated equations in grade school was tough to do by hand. Keeping track of which part of the equation to solve first took time, training, and lots of bad grades. As soon as middle school began, our dependance on calculators grew and difficult ...more

With Apple's newest iOS software update, you can turn your iPhone into a smart display that's always on when you're not actively using it. So your iPhone can quickly transform into a bedside clock, digital photo frame, miniature HomePod, Live Activities tracker, widget-monitor ...more

Welcome to the first annual Next Reality 30, our list of people who've made the biggest impact on the augmented reality space in the last 12 months — and what a 12-month roller-coaster ride it's been. Apple introduced ARKit-powered apps last fall, Google launched ARCore for An ...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

In just a few months, Binance has experienced explosive growth, overtaking its rivals to rank among the top three cryptocurrency exchanges in the world by trading volume. Without a doubt, Binance is now among the best sites for trading alt-coins like Ripple (XRP), Stellar (XLM ...more

Once mixed reality technology is more widely available and realistically priced for consumers, using the tech to create the illusion of a larger space, will likely be a favorite use for mixed reality in places where real-estate is expensive, people tend to live in smaller home ...more

It's been a long-rumored feature, but today, VoIP calling has finally started rolling out to users of Google's Hangouts service. Essentially integrating Google Voice into the popular messaging platform, Google has given Android (as well as iOS) users an easy way to make calls ...more

What's nice about Minecraft 1.3 is that it makes minecart stations so simple. Before, you needed redstone and buttons and powered rails in order to make a good minecart station. Now you hardly need anything at all! That said, if you want to be snazzy, all of the minecart stati ...more

Hi everyone! In the previous part of this series we introduced remote code arbitrary execution via buffer overflows using all of our past experiences. As I said back then, today I'll be explaining the other way you may use to redirect execution flow: using a NOP sled, along ...more

And we meet again Crackers! Welcome to my 7th post (Part-2), this tutorial will explain about some more basics of Batch Scripting, with C00L Scripts, which in turn will help you learn and understand better #1 Script: Freezer: ----------------- @echo off :A start goto :A --- ...more

As we're all aware, recon is vital to a successful hack. We need to know everything we can about the target in order to perform the best possible attack. Port scanning is a basic recon concept that is introduced very early in learning proper reconnoissance. The issue with port ...more

On the surface, AppleCare+ seems like an expensive and gimmicky option to tack onto your already pricey iPhone 11, 11 Pro, or 11 Pro Max. Upon further inspection, however, you'll see that its seemingly expensive price tag is chump change compared to the fees you'll have to pay ...more

Format strings are a handy way for programmers to whip up a string from several variables. They are designed to save the programmer time and allow their code to look much cleaner. Unbeknownst to some programmers, format strings can also be used by an attacker to compromise the ...more