Boundary

Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The trig ...more

Conducting phishing campaigns and hosting Metasploit sessions from a trusted VPS is important to any professional security researcher, pentester, or white hat hacker. However, the options are quite limited since most providers have zero-tolerance policies for any kind of hacki ...more

Homemade circuits are amazing. You can build any kind of circuit on a simple perfboard, as we have seen in previous projects. However, some projects require very tiny circuit boards. We could special order some boards from a printed circuit board (PCB) factory, but that will m ...more

Nova Launcher continues to push the boundary of features available to home screen launchers. While most users are waiting for their OEMs to send out the Android 8.0 update, Nova provides access to many of Android Oreo's features to the 99.8% of devices currently using an older ...more

Just about everyone I know has broken a phone at least once in their life. It's almost inevitable considering we carry them everywhere we go, but that doesn't make it any less irritating. A cracked screen is difficult to read and can actually be a little dangerous if there are ...more

There are a number of different techniques for building underwater in Minecraft. The easiest is to fill a room with wood or leaves, then set them on fire. It'll burn down, leaving a pocket of air for you. However, if you're on a server like ours, mc.wonderhowto.com, fire does ...more

Autodesk offers some of the most popular software for computer-aided design (CAD) projects, which involve all sorts of 3D rendering. Their tools are clearly suited for use with the Microsoft HoloLens, but so far very little supports HoloLens development outside of Unity. Why i ...more

Whether you miss the good old days of Telnet or you want to know what hacking was like when security was nothing but an afterthought, Telehack is the game for you. The text-based hacking game is a simulation of a stylized combination of ARPANET and Usenet, circa 1985 to 1990, ...more

Over the past decade, Marvel Studios has been a dominant force at the box office, raking in more than $21 billion dollars. Averaged out over that span of time, the yearly earnings of those movies outweigh the gross domestic product of some countries. And while those films hav ...more

With smartphone screens getting bigger by the generation, one-handed mode mods are becoming rather prevalent. Most of these function by shrinking the screen to a more manageable size, but this is actually kind of boring when you think about it. Separating itself from the pack ...more

Food is the meeting place of left and right brainers: Culinary arts call for creativity, but is also deeply rooted in the What, Why and How of basic science—baking powder vs. baking soda, the rising of dough, the falling of a cake, etc. Below, two plays on left brain principle ...more

Heavy Water & Light Ice Experiment. What happens? Ice floating over vegetable oil but it decreases in baby oil. While the ice melts, water is reduced in both liquids. Implemented gas grows and melt water falls. Then the boundary between the melted water and oil shows a beauti ...more

They've been at it for a few years now, but the crazy group of amateur rocket scientists who call themselves Copenhagen Suborbitals have triumphed over adversity, successfully launching their DIY rocket nearly 2 miles into the sky last Friday. The privately funded, non-profit ...more

Welcome back, my hacker novitiates! A short while ago, I introduced you to regular expressions. Regular expressions are a language that is particularly useful for finding complex text patterns in streams of data. Although first developed for Perl, regular expressions are use ...more

At Next Reality we mostly focus on augmented reality, but that doesn't mean we're not also absolutely obsessed with virtual reality, too. If the thing that's been keeping you from diving into the deep end of VR has been clunky tethered headsets or the expensive but necessary g ...more

Nearly a year to the day after the unveiling Magic Leap One, Magic Leap has dropped another update to the Lumin OS that runs the device. Lumin OS version 0.94 is available now as an over-the-air update or via download on the Creator Portal for Magic Leap One users. The bulk ...more

Thousands of history files, cookies, other unwanted files stored in your system as logs and other formats. To manually check each one is difficult. New computers are too fast by processor behavior, after some times of working it comes to slow performance. After browsing it is ...more

The augmented reality passthrough abilities of Facebook's Oculus Quest were only fully opened to independent developers recently. But despite the recency of the shift, the change is already yielding interesting AR applications that few would have considered for the primarily ...more

This week, Google showed off some wild new and innovative AR experiences that showcase the WebXR protocol for browser-based AR content, while 8th Wall applied its own web-based AR platform in service of Captain Morgan. Meanwhile, other brands, including Hulu, Coinbase, and Ra ...more

Make a maze out of invisible dog fence. Have a bunch of people wear many collars on their bodies and tell them they need to navigate their way to the end of the maze. They can see the end of the maze, but if they take the wrong path, they will get shocked. Also either have the ...more

At the beginning of every class, or almost every class, we do a series of exercises. The Japanese word for this sort of calisthenic exercise isundo. These exercises derive from the Goju style of karate created by Miyagi Sensei in Okinawa in the early part of the 20th Century. ...more

Improving your experience online is getting easier every year. Browsing can be safe, easy, and boundary-less with the right VPN, and gaming online is working better than ever to connect and compete with other players. If you're looking to get the most out of your browsing and ...more

We are embarking upon a new year. As usual, some of us will make "resolutions." There isn't anything wrong with setting goals for the year. It's actually a good idea. It may help focus the energy we bring to life. A karateka may be excused if he or she makes only one resolutio ...more

“On this day he had lived with that feeling, with death breathing right in his face like the hot wind from a grenade across the street, for moment after moment after moment, for three hours or more. The only thing he could compare it to was the feeling he found sometimes when ...more

If you've noticed a tiny discolored spot on your computer screen that just doesn't seem to go away, chances are you have a stuck pixel. With modern LCD and OLED screens, there are millions of incredibly small dots (pixels) that make up all of the contents of your display—and w ...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

The day has finally arrived — Samsung has unveiled the Galaxy S9 and S9+. Apart from minor upgrades, the two might not appear to be much different from last year's S8 and S8+, but that's not necessarily a bad thing. One feature that hasn't changed is the Galaxy's IP68 water-re ...more

The price of hacking Wi-Fi has fallen dramatically, and low-cost microcontrollers are increasingly being turned into cheap yet powerful hacking tools. One of the most popular is the ESP8266, an Arduino-programmable chip on which the Wi-Fi Deauther project is based. On this ine ...more

If you're a Steampunk (or costumer of any variety) and you don't know what Rub 'n Buff is, this tutorial will make your life so much easier. You have no idea. So, what is Rub 'n Buff? Well, it's a product made of wax and very, very fine metal grit. You can rub it on any smoot ...more

When Google released Android 4.2, a new feature was introduced for tablets that allowed for multiple accounts to be used on a single device. In order to create a unique experience for each user, apps and personal data were kept separate, and switching between users became as s ...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

Fortnite's long awaited arrival on Android has ramped up excitement among gamers who are installing the beta version in astounding numbers. With so many midrange and budget devices running Android, however, it's important to stay on top of your device's performance to ensure s ...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