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The Stun-Gun In this article, I'll show you how to make a small, weaponized highlighter. Before I get into how to built this device, let me warn you. This device is harmful! When used, it can cause burns and/or serious muscle spasms. The voltage is potentially deadly! DO NOT ...more

In 2019, the Raspberry Pi 4 was released with specs including either 1 GB, 2 GB, or 4 GB of memory, a Broadcom BCM2711B0 quad-core A72 SoC, a USB Type-C power supply, and dual Micro-HDMI outputs. Performance and hardware changes aside, the Pi 4 Model B runs Kali Linux just as ...more

When you think of Terminal, you probably imagine some hacker sitting in front of their computer in a dimly lit room trying to break into an FBI database. In reality, it's just a simple tool that can make using your Mac much easier. Now, I'm not saying that learning Terminal c ...more

With Virtual Network Computing, you don't need to carry a spare keyboard, mouse, or monitor to use your headless computer's full graphical user interface (GUI). Instead, you can connect remotely to it through any available computer or smartphone. Virtual Network Computing, be ...more

There's something primal about the smell of smoking food. Somewhere deep in the recesses of our souls, we remember a time when humans only ate by the fire. Or perhaps that's just something I tell myself. Either way, it's hard to smell smoke and food and not feel like you shoul ...more

It's the icing on top of your cake (or whipped cream on top of your Android Pie) of despair. You may have not had the easiest time rooting your device, but you feel like you overcame all of the obstacles. Only now to discover that those very apps and mods you were rooting for ...more

Installing a T Mold Transition Between Laminate and Ceramic Tile There are several different types of laminate transitions that you may need when installing laminate flooring. Each one is used specifically for where the laminate flooring ends, such as where the laminate stops ...more

As pentesters and hackers, we're going to be working with text frequently — wordlists, configuration files, etc. A lot of this we'll be doing on our machine, where we have access to whatever editor we prefer. The rest of it will be on remote machines, where the tools for editi ...more

In our first part on software-defined radio and signals intelligence, we learned how to set up a radio listening station to find and decode hidden radio signals — just like the hackers who triggered the emergency siren system in Dallas, Texas, probably did. Now that we can hea ...more

When owning a home one type of lever set you may have in your home is a privacy lever. In a privacy lever set, the main feature is that the door can only be locked from the inside. Sometimes a kid might get locked in or someone may accidentally lock the door behind them. It's ...more

No one likes it when random people wander into your home and mess things up, which is why it behooves you to hide your things from even the most prying eyes with builds like this totally invisible, 2x2, piston-operated door with no visible redstone either inside or outside. Th ...more

The late, great writer Laurie Colwin once wrote that if she were allowed to have only one fruit in her kitchen, she would always choose lemons (or limes, since they can often be used interchangeably). Any dedicated home cook would agree wholeheartedly. Lemons add dimension t ...more

With the holidays over, a lot of people with shiny new Google Homes are getting their first chance to explore the new Google Assistant. Before the Google Home's release, the Assistant was only available for the Google Pixel and Pixel XL, or in a text-based form with Google All ...more

One of the most promising avenues of attack in a web application is the file upload. With results ranging from XSS to full-blown code execution, file uploads are an attractive target for hackers. There are usually restrictions in place that can make it challenging to execute a ...more

In five short years, three generations of ultra-low-cost Raspberry Pi devices have challenged the boundaries of what a person can do with a $35 computer — especially with Kali Linux. With each Pi more powerful and cheaper than the last, the addition of the Pi Zero in 2015 too ...more

Have you ever forgotten your password and didn't know how to get back on your computer? Or ever had an annoying roommate you wanted to play a trick on to teach them a lesson? Or perhaps overly religious parents who think the internet is of the devil and won't let you read onli ...more

If you're going to build yourself a water gun to cool down this summer, or maybe just a useful water pump, you'll need some check valves. However, the most expensive parts of a water pump or DIY super soaker are usually the check valves. So, let's make some from scratch for as ...more

Voicemails are like chores for me. I have to listen to them, but never really feel like doing it. When I finally do, most of them get deleted right away, but every so often they'll be one I save and listen to over and over again, whether it's a cute birthday wish from grandma ...more

Despite a rocky start with plenty of feature disparity, the Google Assistant now provides a pretty consistent experience regardless of what device you're using it on. Be it Android, iPhone, or Google Home, the AI behind the Assistant is virtually identical — including its quir ...more

Did you know Kali 1.0.8? You probably did, and you probably know about the EFI boot option that has been added. That's a very interesting new feature because it allows Kali to be easily booted on Mac too, and every EFI-supported device. First three preview lines gone? As alw ...more

File inclusion can allow an attacker to view files on a remote host they shouldn't be able to see, and it can even allow the attacker to run code on a target. To demonstrate these vulnerabilities, we'll be practicing PHP file inclusion using the Damn Vulnerable Web App. We'll ...more

Google+ has managed to double their user count from three months ago, now standing at over 90 million Google+ accounts created. But how did it get so many so quick? By tricking people who are signing up for Gmail or a regular Google account into setting up a Google+ account, t ...more

For anyone using open source information to conduct an investigation, a balance between powerful tools and privacy controls are a must. Buscador is a virtual machine packed full of useful OSINT tools and streamlined for online research. This program can easily be set up in Vir ...more

My first time opening a coconut was a confusing and frustrating experience. I remember the loud echoing noise as I hit it with a knife, a hammer, and my countertop. It took multiple tools, YouTube videos, and plenty of angry sighs for me to get it open. But thanks to my perse ...more

Surveillance is always a useful tool in a hacker's arsenal, whether deployed offensively or defensively. Watching targets yourself isn't always practical, and traditional surveillance camera systems can be costly, lacking in capabilities, or both. Today, we will use motionEyeO ...more

How to install concrete anchors.How to attach timber / wood to concrete or any other SOLID masonry surface using masonry anchors / DynaBolts. DynaBolts (that's the name for this particular anchor in Australia. They are know by other names in other countries) are the ideal anch ...more

With a lot of Null Byters playing around with Linux because of its excessive use in the hacking world, some of you are bound to run into some trouble with the installation at some point or another. If you make a mistake, or you're intimidated by the wonky-looking installation ...more

While the Mail app didn't get as much love from Apple in the iOS 11 update as Maps, Photos, Safari, Siri, Camera, Messages, Notes, and the App Store did, there are still a few new features you need to know about when emailing on your iPhone. Sadly, they did not make bulk dele ...more

We've already shown you how to dunk a regular-sized Oreo cookie while keeping your fingers pristine, how to upgrade Oreos into different desserts, and even make them into lazy ice cream sandwiches. Now we're going to introduce you to a few other essential Oreo hacks that will ...more

In a previous how-to, I showed how to send and receive text messages by wirelessly syncing them from your phone to your Nexus 7 tablet. Some eagle-eyed users may have notice that the Nexus 7 with 3G actually has a SIM card slot. Now, syncing messages over to your tablet may b ...more

Shodan calls itself "the search engine for internet-connected devices." With so many devices connected to the internet featuring varying levels of security, the special capabilities of this search engine mean it can provide a list of devices to test and attack. In this tutoria ...more

I know it seems a little redundant to post this when I've already posted a video, but it is kind of hard to get more than a vague idea from the video alone. I hope this sheds a little more light on the subject. I'm sure it also seems like I'm beating this idea to death, but th ...more

Unlike most of Apple's other apps and services, it's not always obvious when Siri gets new features. Even if you're an avid Siri user, there's no way you can catch them all, especially when half of them aren't even mentioned by Apple anywhere. But that's what we're here for, a ...more

It's once again Monday, which means it's time to highlight some of the most recent community submissions posted to the Math Craft corkboard. I also thought we'd take a look at building a model that has appeared in numerous posts. It's the simplest of the intersecting plane mod ...more

Following in iOS 11's footsteps, Android 9.0 Pie will include a security feature that lets you immediately disable the fingerprint scanner as well as extended Smart Lock features. After initiating the feature, you will be required to insert your PIN, pattern, or password befor ...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

The Watch Dogs video game series came out in 2014, enamoring audiences with the idea of a seemingly magical smartphone that could change traffic signals, hack web cameras, and even remotely control forklifts. This may sound like science fiction, but The Sonic uses a customized ...more

When it comes to dictating what happens when the Galaxy Note 3's S Pen is detached, the stock settings that Samsung provides are severely lacking. There are only two measly options: launching Samsung's own Action Memo app, or displaying the Air Command menu. If you want to la ...more

You probably know Lenovo from their low-cost Windows PCs here in the states, but something you may not be aware of is that they also make smartphones. Right now, their biggest market is in China, but a rumored merger with BlackBerry could make Lenovo a contender in North Ameri ...more

For many of you, the carving fork only comes out at Thanksgiving as an essential turkey-slicing aid. Perhaps you pull it out of the knife block to slice up the occasional roast. But the carving fork (also known as kitchen fork) can be used for many more tasks around the kitche ...more

Did you know that there's a way to start a fire by squishing air? In this project, I'll show you how to build a tool that does exactly that—and I'll give you a sneak peak into the principals of how a diesel engine operates! Video: . In the early 1800s, before the invention of ...more

Before jumping right into becoming the next James Neely or Moose Peterson, you're going to have get situated with your new digital SLR. No matter if you purchased the Canon EOS 5D Mark II body and lens separately or together, you've got everything you need to get started excep ...more