Make a Rose Part Two

In the following video, I demonstrate how to build a simple device to increase the inertia of the wearers fist, allowing the easy destruction of concrete blocks. Video: . For this project, you'll need the following parts: 10" strap hinge 1' x 3" foam core PVC 4" x 1/2" PVC On ...more

Ever wonder how to make an engine out of soda cans? Not even sure if it's possible? These videos will show you how to build a working Stirling engine out of cans and other general materials. Here it is in action: Video: . You'll need a few bits and pieces: 1 x M6 x 15 Machine ...more

Two former high-ranking officials at the U.S. National Security Agency (NSA), a federal bureaucracy that collects data and intelligence on foreign communications for national security purposes, have come forward with allegations that the NSA actively monitors Americans as well ...more

The hardest part of starting a minecart railroad in Minecraft is getting it started. Anyone can lay some track in a circle, but what's the best way to stop and start your cart? In this Saturday's workshop, we'll be covering a variety of designs for minecart "train stations", s ...more

One of the best things about Christopher Nolan's Batman trilogy is how realistic he makes the caped crusader feel. Unlike the Joel Schumacher or even the Tim Burton versions, Nolan's world seems grounded in some level of scientific fact. But just how close is science to actual ...more

As anyone who has tried it knows, stacking pistons on top of each other in order to combine their effects is really, really complicated. Stacking two on top of each other is only slightly hard, but the difficulty rises exponentially with each added piston. Stacking three is pr ...more

Looking for an (explosively) fun Thanksgiving project this week? Something that involves fire and lasers? Check it out. YouTube creator StyroPyro lights ten matches in 9 seconds with a modded laser. One word: Awesome. Luckily both StyroPyro and Kipkay provide HowTo's. First, H ...more

Move over Rubik's Cube, there's a new puzzle in town. The Petaminx. The beautifully designed and custom built Petaminx has almost 1,000 moving parts. Peta- actually means 1,000,000,000,000,000, although that number could refer to the endless number of solutions. Based on And ...more

Android comprises an entire ecosystem of apps, games, functions, and features, so it would only make sense that it has its own lexicon. Words, phrases, and acronyms that didn't exist ten years ago are now used in an off-the-cuff style by developers and support technicians acro ...more

It's already been a banner year for mergers and acquisitions in the augmented reality industry, with WaveOptics and Ubiquity6 among the notable companies acquired. Two of the more active M&A players, Snap and Epic Games, continued their respective buying sprees this week with ...more

There are three tiers to Android customization: things you can do by default, things you can do with ADB, and things you can do with root. While root is still pretty tricky to get, ADB mods just got a lot easier. Back in Android 9, Google added a feature that allowed you to w ...more

TWRP is the premiere custom recovery for Android because of how many devices it supports and how simple it is to use. But installing it in the first place hasn't always been the easiest thing to do — until now. With the help of a Magisk module, you can finally use one Android ...more

We're glued to the news now more than ever, but our "free press" isn't necessarily free of charge. Cable news outlets like CNN and MSNBC are locked behind expensive cable TV packages and cord-cutting streaming subscriptions such as Sling TV and Hulu + Live TV. Luckily, there a ...more

There are times when leadership is tested. This is one of those times. As government and business leaders around the world are grappling with the unfolding coronavirus pandemic, the real-time responses to the crisis from many leaders have been great and, at times, less-than-op ...more

A good smartphone can be the perfect workout companion. You have music for motivation, videos for pushing through boring cardio sessions, GPS to keep you on course, and even an array of sensors for gathering data about your workout. But not all phones are created equal when it ...more

Indian startup Dimension NXG is launching augmented reality headsets into India's consumer market with a bold idea: focusing on immersive computing in education on the high-end. The plan is to give a new kind of AR headset to schoolchildren in remote Indian villages, starting ...more

If you've read or watched anything Harry Potter before, you know friendship and teamwork are huge parts of the story. The same goes for Harry Potter: Wizards Unite, with its "Wizarding Challenges." Here, you can tackle Fortresses full of Foes alone, but why do that when you ca ...more

With YouTube TV and DirecTV Now starting at $40/month, and others like Sling TV offering an eye-catching $25/month plan, streaming cable services may sound like a great way to cut costs while cutting the cord. But when you look at all the factors, the price you pay may very we ...more

By now, you've probably already seen Andy Serkis and his performance capture demo for Magic Leap. And sure, marrying motion capture acting and augmented reality sounds compelling, but how does it really work as an experience? A few days ago, I had a chance to find out, thanks ...more

You can feel it in your bones. You may die if you don't get this phone. There's just one problem — the price. Suddenly, you come across what seems like manna from heaven. That very device, at a deeply discounted rate, can be yours. The only thing that makes you pause is that ...more

Database technology has vastly improved the way we handle vast amounts of data, and almost every modern application utilizes it in one way or another. But the widespread use of databases naturally invites a slew of vulnerabilities and attacks to occur. SQL injection has been a ...more

The key to becoming a competent white hat is knowing how the technology that you are trying to exploit actually works. SQL injection is one of the most common methods of attack used today and also one of the easiest to learn. In order to understand how this attack works, you n ...more

| Update: ZTE's issues with the US government have finally been resolved. Check out the details below. ZTE has a history of bumping heads with the US government. Multiple agencies have expressed distrust with the Chinese company and even discouraged Americans from using their ...more

Your email inbox is a treasure trove of personal data. The people you contact, your writing style, which messages you flag as spam — all of this information and more can be used to paint a clear picture of you. Google knows this as well as anybody, so they use this data to con ...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

Any internet user will need to download files eventually, and most simply have faith that what they are downloading is trustworthy. This doesn't give much clarity into the contents of the file, but if the file's author published the original checksum, comparing it to the SHA-2 ...more

Google just bought a huge chunk of HTC for $1.1 billion. They're bringing in around 2,000 employees, mostly from the hardware division, and these folks will presumably work under hardware chief Rick Osterloh. There's a massive patent portfolio involved, too, so stop me if you' ...more

A deadly type of brain tumor and Zika-related brain damage in developing fetuses are devastating brain conditions that, at first glance, may seem unrelated. However, thanks to new research, their paths seem to cross in a way that could benefit patients. A new study has shown t ...more

Whether or not a microbe is successful at establishing an infection depends both on the microbe and the host. Scientists from Duke found that a single DNA change can allow Salmonella typhi, the bacteria that causes typhoid fever, to invade cells. That single genetic variation ...more

Regarding foodborne pathogens, eating fish is not as hazardous as it was a few years ago — but if fins are on the menu, it's good to have a heads-up about what's good and what's bad these days. Fish are typically considered a healthy, recommended food — except when they aren' ...more

A 6,000-year-old forest inhabitant awakens to find life in the forest around it in crisis. Plants, trees, animals, and birds are moving north to escape increasingly heated air, even as mass extinctions take place around the world. The inhabitant stirs and remembers it has live ...more

Young girls, especially those who live in areas where HIV is epidemic, like sub-Saharan Africa, are particularly vulnerable to becoming infected with HIV. A vaginal ring containing the antiviral agent dapivirine has been shown to decrease the chance of developing HIV-1 in adul ...more

While some researchers look for drugs to treat HIV, other scientists delve deep into the virus itself for answers on how it causes infections. Using two supercomputers, University of Illinois research scientist Juan R. Perilla and late physics professor Klaus Schulten simulat ...more

I think I hate this game. I don't really see how you can play more than 15 minutes of Tap Mania without smashing your head into a wall. You do nothing but tap. Tap, tap, tap. At least they got the name right. My editor asked me "would you enjoy this game more if you followed ...more

Primarily caused by the bacteria Borrelia burgdorferi, Lyme disease is the most common tickborne disease in the US. By all predictions, 2017 is expected to be a banner tick year in several regions. If you have children, it is important to know what to expect. Ticks can bite a ...more

Like humans, cats can suffer infections caused by ticks, and too often, the disease is fatal. Learn about tickborne diseases that affect cats and what you can do to protect Fluffy from an untimely demise. Across the US, tickborne diseases are on the rise. With warmer winterti ...more

Those of us who are actively developing for the HoloLens, and for the other augmented and mixed reality devices and platforms that currently exist, are constantly looking for the next bit of news or press conference about the space. Our one hope is to find any information abou ...more

Microbial cells can improve the functionality of clothes in creative and useful ways, including cooling us down during a workout or making clothing glow for better visibility. The innovative products were developed by a team of 14 researchers from MIT, in such broadly diverse ...more

Being a city dweller does not mean you cannot save the planet — or your food scraps. Climate change and resource management are big issues. Composting in any size space is not only possible, but it gives you a chance to reduce greenhouse gasses and reuse food scraps. Right no ...more

Way back, life on the range was tough and unforgiving for a HoloLens developer. Air-tap training was cutting edge and actions to move holograms not called "TapToPlace" were exotic and greeted with skepticism. The year was 2016, and developers had to deploy to their devices to ...more

Nineteen days ago, several hundred people could have been exposed by a traveler with measles in Nova Scotia, Canada. The next day, someone flying from Minnesota to Nebraska may have spread the measles to other passengers. A couple weeks ago, it's possible that a man and his si ...more

User interfaces for computers have evolved over the years, from the introduction of the keyboard and mouse on the personal computer, to touchscreens on mobile devices, to natural voice recognition. However, the same cannot be said for robots or drones—until now. There are two ...more

The beauty of southern Europe won't protect it from invasions of disease-carrying ticks and mosquitoes—in fact, the Mediterranean climate and landscape may be part of the reason the bloodsuckers are expanding there, bringing unique and terrifying diseases in their wake. Arthr ...more

With a predicated increase in the number of Lyme disease cases in the coming spring season, new research endorses the use of bait boxes to control ticks on the rodents that serve as their hosts. With cases spread across the country from coast to coast, Lyme disease is particu ...more

Containers are isolated software instances representing applications, servers, and even operating systems—complete with all of their dependencies, libraries configuration files, etc.—and they're taking over the corporate world. The ephemeral, portable nature of containers help ...more

When it comes to busted smartphones, liquid damage ranks right up there with shattered screens as one of the most common issues owners have to deal with—as well as the most embarrassing. Thankfully, though, with the rise of waterproof phones such as the Samsung Galaxy S7 and e ...more

We're nearly done getting our Mac set up for hacking. If you haven't checked out previous tutorials, I'd recommend you do so first before diving right into this one. While macOS is a powerful POSIX-compliant operating system, some of our Linux tools do not work out of the box ...more

Throwaway phones aren't just for seedy criminals and spies—they can be useful for many everyday situations. For example, you don't necessarily want to give your real phone number out to strangers when you're buying or selling something on Craigslist, managing an Airbnb listin ...more

If I were to write a snickerdoodle FAQ list, the top question would undoubtedly be "Do I really need to use cream of tartar in my snickerdoodle cookies?" Don't Miss: 5 Baking Substitutions Every Home Cook Should Know I dug deep into the baking science world to find out why ...more

Welcome back, my tenderfoot hackers! As you should know from before, Snort is the most widely deployed intrusion detection system (IDS) in the world, and every hacker and IT security professional should be familiar with it. Hackers need to understand it for evasion, and IT se ...more

Welcome back, everyone. In the previous part of this rapid-fire miniseries, we built the victim portion of the shell. Today, we'll be building the attacker portion. This script will initialize interaction with the victim portion of the shell, send commands, and receive the out ...more

In my last tutorial, I talked about creating a virus inside of a Word Document in the scenario of a mass-mailer attack. In this post, however, I'm going to be covering creating a fake image or screenshot with a meterpreter backdoor hidden inside to be used in a similar scenari ...more

Welcome back everyone! In the last training session we covered basic file input and output. We're going to leave this topic for a bit and start on something that will change the way we write scripts, classes. A class is basically an object. It's something that we can make att ...more

Welcome back, my greenhorn hackers! In the first part of this series, I introduced you to the basics of networking including IP addresses, ports, NAT, and DHCP. In this lesson, I want to introduce you to the basics of TCP/IP, i.e., Transmission Control Protocol (TCP) and Inte ...more

My daughter moved into her first apartment last year, a huge rite of passage in any young person's life. With a mother and two grandmothers who are good cooks (to say the least, in the case of the latter), it's not surprising that she turned to us for some advice about how to ...more

Before I continue with a topic on strings, we first require some fundamental understanding of how memory works, i.e. what it is, how data looks in memory, etc. as this is crucial when we are analyzing vulnerabilities and exploitation. I highly suggest that your mind is clear a ...more

Greetings my fellow aspiring hackers, Huh :) . Its that part of the year when friends and family come together for reunions and family gathering. Christmas is the only time of the year where the sensation and desire to bond and repair lost and broken relationships becomes str ...more

Of course, if it were a perfect form of currency, it would have become the standard by now. But it hasn't. Wanna know why? The story begins with the advent of agriculture, when humans had settled down under groups as units called villages, over 10,000 years ago. That's when t ...more

So this is my methodology for this project of writing a rootkit. Please leave feedback on what is right/wrong. I tried to simplify concepts the best I could however... One needs an deep understanding of how different types of processors work and how memory protection is imple ...more

Over the past decade the Internet community has been witness to the rise of many new forms of online interaction. These new technologies have given rise to anonymous networks (like TOR), black markets within the deep web network (like the Silk Road), and even forms of digital ...more