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Update, November 12, 2014: Android 5.0 Lollipop is officially out now. If you haven't gotten the OTA yet, check out our new guide on installing the official Lollipop builds on any Nexus for download links and instructions, for Mac or Windows. Update, October 17, 2014: In adv ...more

Over the next few months, I'll be focusing on building a fully functional, long range UAV. This series will consist of several in-depth articles on my progress and the steps involved, so you can follow along and build your own unmanned aerial vehicle! The budget is $800 and w ...more

A lot of times, you'll come across an app, a game, or even a cool root mod that requires a certain Android version. The description will say Android 4.3 or higher required, or something to that extent, but not much help is offered beyond that. So to clear things up a bit, I'll ...more

Minecraft is not just a game. It is a creative tool. Over the past year and a half countless epic builds, servers, and community projects have been undertaken. I'm sure some of you have seen the one-to-one scale recreation of the Starship Enterprise from Star Trek or the epic ...more

Eavesdropping from a distance can be tricky because it usually requires some sort of bug or transmitter. It's easy to transmit audio through lasers, but you can also use lasers to build a microphone that picks up audio from a distance. LucidScience built the Laser Spy System f ...more

If you're part of the Windows 10 Insider Program, build 15048 launched this morning, and included a nice big unannounced surprise. You can now launch the Mixed Reality Portal and enable the simulation to try out mixed reality right from your PC, even if you don't have one of t ...more

Warm water is an essential part of life that we sometimes tend to take for granted. Over one billion people, or roughly one-seventh of the world's population, have no access to hot water. Warm water is not only comforting when showering and bathing, but also helps the body ge ...more

Now that we've got all of our software installed, we're going to proceed with the next step in our HoloLens Dev 101 series—starting a fresh project and building it into a Holographic application. Then we will output the application to the HoloLens Emulator so we can see it in ...more

Here is a list of links you can use to ask for or give special gifts. First you need to find your Facebook ID number and copy it down somewhere, or memorize it if you can, then paste it into the links replacing the ###### symbols. You can find your ID number in the address b ...more

Cheaper (and perhaps cuter) than a maid, the simple scrub bot is easy and cheap to make: "This state of the art cleaning robot is great at polishing floors and shining glass tables (provided that you soap it up first). It also disperses small particulates evenly across your f ...more

In the recent hit movie Furious 7, the storyline revolves around the acquisition of a hacking system known as "God's Eye" that is capable of finding and tracking anyone in real time. Both the U.S. spy agencies and an adversarial spy agency (it's not clear who the adversary is, ...more

Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! Looking to build an awesome one-way entrance into your base? Why not create an awesome drawbridge so that no one can enter without your permission? This sty ...more

Have you always wondered how to make a customizable and efficient TNT cannon in Minecraft? Are you looking to raid some bases on a PVP/factions/griefing server, but don't know where to start? Well, this tutorial will go over how to make a TNT cannon, and the different ways you ...more

Do you have a green thumb but an extremely limited living space? Try building your own DIY terrarium. All you need is a clear glass or plastic container, a few of your favorite plants, and some cheap gardening supplies to start your own self-contained, self-sustained miniature ...more

Man-in-the-Middle attacks can prove to be very useful, they allow us to do many things, such as monitoring, injection, and recon. What Is a Man-in-the-Middle Attack? Essentially, a man-in-the-middle attack is when an attacker places them self between two parties. This passes ...more

So you bought a new flat screen, and now you have to tackle the next issue—you have to mount it somewhere. Most people go for the wall, which is the most obvious place, but if you want to go for something a little different, the ceiling is always an option, too. There are ple ...more

If you're dressing up as someone iconic for Halloween, having the right voice can make or break your costume. Think about it—having a Darth Vader lookalike walk up to you and start talking like Alvin the Chipmunk would probably ruin the effect (and possibly be a little creepy) ...more

Welcome back, my amateur hackers! Over the course of the next year, we will be developing our own zero-day exploits. In my first article in this series, I introduced you to buffer overflows, which are the source of some of the most lethal exploits, particularly the "remote co ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. One of the most efficient crops to grow in Minecraft is the melon. While not the best at boosting your health meter, melons require little work and they take about as long as wheat ...more

The reveal of Apple's new ARKit extensions for iPhones and iPads, while not much of a shock, did bring with it one big surprise. By finding a solution to surface detection without the use of additional external sensors, Apple just took a big step over many — though not all — s ...more

Many operators use elevators to control access to particular floors, whether it be the penthouse at a hotel or a server room in an office building. However, the law requires them all to have a fire service mode, which gives emergency access to restricted floors, and a hacker c ...more

Incredibly odd (not to mention anal retentive) PC casemod: a teeny, tiny living room constructed with dollhouse furniture. From Russian casemod site, unknown origin. Bizarre!

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

HTC thought it best to cover their own ass by placing a red warning whenever you start your device if you've unlocked your bootloader. While it may help them identify a tampered phone, it does not help you in any way. Luckily, XDA member santod040 created a modified HBOOT that ...more

Move over NASA— SpaceX is taking over. Well, not really. But today, the privately funded spacecraft company broke all expectations when their Dragon capsule fell to a soft landing in the Pacific Ocean, completing an undoubtedly successful demo flight of nearly two full trips ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. There are many amazing redstone builds, but probably the pinnacle of redstone technology is the redstone calculator. The ability to turn simple game mechanics into a real-life calcu ...more

If you love Minecraft, and you're trying to find out what to dress up as for Halloween, try building a Creeper head. If you wear a green shirt, you'll have the perfect Minecraft costume. You can even reuse the Creeper costume for cosplaying at your next convention. Video: . If ...more

Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! Functioning bathrooms seem like a stretch in Minecraft, but with redstone, they're not that far out of reach! This past workshop focused on creating a fully ...more

Unbeknownst to the general public, picking a lock can be a very easy process once you get the hang of it (yes, surprising AND frightening). A vibrating lock pick set takes the general ease of picking even further by speeding up the process. Now, with the help of Invent Geek, y ...more

Welcome to Minecraft World! Check out our tutorials, post to the community corkboard, and come play on our free server! Our previous workshop on building an automatic boat dock went really well. A lot of Minecrafters showed up and everyone got right to work on their own versi ...more