Make a Simple Solar Power

My bathroom is like my own private arcade room. Whenever I'm seated comfortably on the toilet, no one is going to disturb me, so I can play anything I want on my smartphone. You probably do it, too — and your parents, kids, friends, colleagues, and boss — so don't be afraid to ...more

A man-in-the-middle attack places you between your target and the internet, pretending to be a Wi-Fi network while secretly inspecting every packet that flows through the connection. The WiFi-Pumpkin is a rogue AP framework to easily create these fake networks, all while forwa ...more

A continuation of my earlier science testing in Minecraft, I worked on a few things requested and retouched on TNT as there was suggestion of possible (and confirmed) altered circumstances. Previously, I worked out the science of TNT, Items and Players, and this time I sought ...more

A typical resistance spot welder can range in price from about $200-$800, but with a little resourcefulness and a bit of free time, you can make one like this for about $10 or less. Before starting on this project, there are a couple of videos you should check out, because yo ...more

A modern iPhone is capable of running sophisticated, exquisitely-rendered games that rival titles on current-generation consoles. However, there is some value in classic video game titles, whether you grew up playing games on the Atari 2600, Nintendo Entertainment System, and ...more

Apple's iOS might be user-friendly, but it's a bit restrictive when it comes to personalization, so you can really only change the look of the home screen by either jailbreaking or exploiting glitches. While there isn't a jailbreak for the current version of iOS, there is a gl ...more

Rooting your Samsung Galaxy S4 has many advantages; theming, free wireless hotspots, deleting system apps, and generally being ahead of the curve when it comes to updates. It's also great for simple things like centering your clock or freezing apps. Today, I'm going to cover ...more

Headphone cords are one of those things we all deal with because it beats the alternative (no music). But they can be so obnoxious—they're always getting caught on things, and they seem to be perpetually tangled. If you have ear buds, you can make a simple a cord container to ...more

Nokia's recent foray into the world of Android brought a plethora of goodies along with it. The Finnish smartphone manufacturer offers a slightly different take on our favorite mobile operating system, with customizations ranging from ringtones to its very own app store. Much ...more

You may remember string art from your elementary school days. If so, it probably makes you think of the 2D geometrical designs that took every ounce of patience you had as a kid. Or those laborious curve stitch drawings, which string art was actually birthed from. But thanks t ...more

It seems that Apple is taking a page from Google's book with their new "Hey, Siri" voice activation feature in iOS 8. This feature mimics the one found in Google Now, the voice-activated intelligent personal assistant available to just about all Android users. Apple's version ...more

When it comes to modifying Android, the single, most powerful tool available is TWRP custom recovery. It's even more capable than simple root access when it comes to changing the look and feel of your software, and you can even use TWRP to root your device in a few simple step ...more

When you think of all the fun and games smartphones have to offer, it's easy to forget that they also make a great tool for getting things done. With utilities like document scanners, calendars, to-do lists, office apps, and password managers, that little computer you carry ar ...more

If you're at all like me, you constantly get frustrated that repeaters only boost redstone signals in one direction. It's annoying! Well, here's a design for a two-way repeater! This device functions like a continuous piece of redstone that can send power either way, albeit w ...more

In the past, updating a rooted Samsung Galaxy device has always involved the complicated process of downloading the proper firmware for your variant, installing device drivers, then sideloading the update with Odin. Luckily, though, with the release of the Galaxy S6, Samsung ...more

One of the most common complaints that people have about the Nexus 4 would have to be its intermittently poor Wi-Fi performance, a problem that for many, persists through the installation of updates and even custom ROMs. Many of us have experienced poor video streaming, slow ...more

When the power goes out, having the ability to contact others becomes extremely important, and your cell phone can be one of the most important tools to have. But if the power is out for an extended period of time, battery life becomes a constant problem. Without the ability ...more

After poor sales of last year's HTC 10 and the terrible reviews their first 2017 flagship received, HTC really needs the HTC U11 to succeed. But they're not taking things lying down, as they've come up with some interesting tech for their latest handset. The biggest new featu ...more

Nostalgia sometimes gets the best of us—hence the reason we geek-out when we see emulators for SNES on Apple devices or N64 on Android. The excitement lies in getting our hands on classic video games and their respective systems, but older computer operating systems are also ...more

A very large aspect of minecraft is redstone. Infact, redstone is probably what keeps me playing minecraft today. Ever since the piston update of beta 1.7, redstone has taken minecraft to a whole new level, with the ability to manipulate the entire world around you with the fl ...more

You know how sometimes you accidentally send a minecart shooting out down your tracks, and you can only watch helplessly as it fades into the distance? And then you know that you have to go find it and break it, so that it doesn't stop up your cart traffic on your tracks. Wel ...more

So much information exists online that it's easy to get lost in data while researching. Understanding the bigger picture can take a lot of time and energy, but narrowing the question to one that's easy to answer is the first step of any investigation. That's why analysts use o ...more

Plants all around us capture sunlight every day and convert it to energy, making them a model of solar energy production. And while the energy they make may serve the needs of a plant, the process isn't efficient enough to generate power on a larger scale. So, scientists from ...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

By using almost any packet-crafting tool, a hacker can perform denial-of-service (DoS) attacks. With the power to create just about any packet with any characteristics, a hacker can easily find one that will take down a host or network. Nmap and Hping are effective packet mani ...more

The augmented reality industry has an insatiable lust for 3D content, which makes an investment of $48 million into Matterport a no-brainer for investors. This week, the 3D content capture company confirmed the investment via Twitter, stating that it had closed the funding ro ...more

Over the years, mobile gaming has become a phenomenon, rivaling in magnitude with its console and PC-based counterparts. We even have mobile versions of Fortnite and PUBG now, games that require lots of processing power to run. But when you just want a quick game to play in th ...more

Getting into fastboot or recovery mode on your Android device is nothing new, especially if you're a softModder. Accessing the bootloader menu is the genesis to a lot of mods, and if you're like me and constantly tweak your device, you probably get irritated every time you hav ...more

Considering that the average movie ticket these days is $8.38, it's not much of a surprise that Netflix is kicking ass. The same amount will get you a full month of unlimited streaming, and you don't even have to leave your couch. While no one's arguing that it isn't a great d ...more

Ever since Sense 4, HTC phones have had no access to easy access setting toggles from the notification pane. CyanogenMod and other custom ROMs are an option, but even if your phone isn't rooted, you can still have clean, functional quick settings. Step 1: Install Power Toggles ...more

BioShock: Infinite may have just come out today, but that doesn't mean there aren't some good walkthroughs for it already. If you're the kind of gamer that digs unlocking all of the achievements (aka trophies), then here's one for you—the Aerial Assassin. In order to complete ...more

Who doesn't love Duck Hunt? It's arguably one of the most popular games ever created for the original NES system, even in spite of the mocking dog that everyone hates. I'm sure a lot of people still have their old controllers in the attic somewhere, so unless you're lucky enou ...more

Old newspapers come in handy for many different uses around the house, from birdcage liners to shipping cushioning and even a little fish cooking. But for backyard rocket scientists like Markus Bindhammer, they're more suitable as an ingredient for rocket propellant. Video: . ...more

Silence spreads over these mountains like nothing I've ever felt. If I didn't have Moby blasting in my earphones, there'd probably be no other sounds around. Well, except for someone, Phil probably, murmuring in a nearby tent just low enough to make his words indiscernible. W ...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

Over the past several weeks, I’ve had the pleasure of test driving Samsung’s next big thing, the Galaxy S4. After putting the GS4 through its paces, I have a clear picture of what this device is capable of. I’ve covered the features of the device before, and now I’ll tell you ...more

From veteran modders to casual tinkerers, booting into either recovery mode or download mode is something every Galaxy S9 owner should know about. These two pre-boot menus serve a very important purpose — recovery mode is the go-to solution for soft bricks, while download mode ...more

If you own a Samsung phone and enjoy rooting or modding your device, flashing official firmware can be very useful. Odin is Samsung's own internal program for loading such updates for testing purposes, and it's quite easy to use for your own custom modification needs. Though ...more

Whatever you want to call it for now—Android Nutella, Android Nougat, or Android 7.0—the upcoming "N" release of Android will surely bring in tons of new features and functionality. We know it will be named after a dessert, and we know that Google uses an alphabetical naming s ...more

The Apple Watch may be a much simpler device than your iPhone, but that doesn't mean it's free of bugs, glitches, and crashes just like your other devices. A common problem that you'll run into is a frozen screen due to a malfunctioning app. While this can be frustrating, the ...more

The attention to detail and build quality that Motorola put into the new Nexus 6 is amazing. Its curved backplate fits the hand like a glove, and fingers slide effortlessly across the rounded edge of its glass front, making the swipe gesture for side navigation menus feel more ...more

No one wants to appear stupid. Whether you rely on lengthy, complicated vocabulary to show your smarts, or enjoy highlighting your speedy mental math skills, everyone prefers emphasizing intelligence over hiding it. Yet even the smallest, most normal behaviors in our day-to-d ...more

How many times have you witnessed a beautiful moment that you would have loved to capture on film, only to watch it slip away as you struggled to unlock your phone and open your camera app? Developer Jam Works decided he'd experienced this letdown far too many times, and crea ...more

Let's just say it's been a pretty bad year for spies and government agencies and an even worse one for the privacy of U.S. citizens. Edward Snowden blew the lid off the NSA's spy program, and the FBI was recently discovered to have the ability to access your webcam any time th ...more

Take everyday sprinkler parts and form them into a high pressure rocket launcher that will shoot paper rockets nearly 300 feet!!! It's cheap to make and a lot of fun! Video: . A quick trip to nearly any hardware or sprinkler supply store should get you everything you need for ...more

This month, the power of artificial intelligence will be coming to more augmented reality developers as a leader in the game and 3D software development space and a major force behind the current school of cloud-based AI have officially announced a new partnership. In a post ...more

Most newer phones come with a grayscale mode that you can activate when you want to save some battery life. The way it works is simple: If your graphics chip only has to render elements in black and white instead of full 32-bit color, it won't consume as much power. But Googl ...more

When was the last time you restarted or shutdown your Mac? In the post-iPhone era, most devices are now powered on almost constantly. For better or for worse, the computing landscape has accommodated this "always on" trend, but you still need to periodically restart your devic ...more

Everybody loves the stars. Well, I certainly do. As a child I'd spend hours outside during summer nights marveling at the seemingly endless amount of sparkling dots spanning the sky. Maybe you have children of your own and want to create a sparkle in their eyes, or in your own ...more

Samsung's Galaxy Note 4 is a beautiful device worthy of all the critical acclaim it has received thus far. But aside from the S Pen features, most of the Note's user interface has a great deal of overlap with the Galaxy S5 that we all know and love. So it's not an entirely fo ...more

Since its creation, Arduino has been growing exponentially more popular as DIY enthusiasts and Makers alike realize its potential. As new versions of the device are released, many easy-to-use peripherals are showing up on the market also. One of the more important features of ...more

BUD (Block Update Detector) switches can essentially take the place of a regular switch like a lever or a button, but instead of having a "usable" function like pressing the button or flipping the lever, BUD switches trigger when a block next to a piston changes states. There ...more

Have you ever felt like you wanted to totally annihilate someone in Minecraft with a machine gun? Yeah, me, too. Thankfully, you can! The redstone machine gun, which I'll demonstrate, is essentially just a rapid pulsar attached to a dispenser full of arrows. This design has b ...more

Google is known for merging older products into a new one's ecosystem for ease of use. The transition can take time, and that's the case with the old Google Wifi system now that Nest Wifi is out. Google is working on phasing out the dedicated Google Wifi app in favor of using ...more

The new iPhone XR, XS, and XS Max have everyone buzzing. But, at first glance, the XR and XS look pretty similar in almost every way. So, what's the difference? It comes down to the XR's "Liquid Retina" LCD screen vs. the XS's "Super Retina" OLED display. How do they compare, ...more

Millions of travelers pass through airports each day without understanding how powerful and insecure a boarding pass can be. Anyone can scan the boarding pass barcode with a mobile app, allowing access to frequent-flyer accounts and even a passenger's temporary airline account ...more

When it comes to technology, there are no bigger names than Google and Apple. They're the two most valuable companies in the world, and they've swapped places a few times over the last year, so they're truly neck-and-neck. But let's put business aside for a moment — which of t ...more

The only thing better than programming MicroPython is programming MicroPython over Wi-Fi. So once you set up MicroPython on a microcontroller and have it on its own power source, you won't need to use a data cable to connect to it whenever you need to interact with it, program ...more

Facebook just released its new "home on Android" last Friday, appropriately called Facebook Home. Taking a cue from Amazon's Kindle, Home serves as an "operating system" that runs over Android. While the HTC First will be the first smartphone to ship with Home out of the box, ...more

One of China's largest smartphone makers, Oppo, just took the wraps off its new design for augmented reality smartglasses called AR Glass 2021. The reveal was part of the company's annual Oppo Inno Day, where various forward-looking tech initiatives are put on display. But un ...more