Wire a Light Switch and Light Bulb

On April 7, 2017, residents in Dallas, Texas, woke to the sound of emergency sirens blaring all over the city. No one could shut them off, and after repeated efforts to contain the situation, the city had to shut down the entire system. While the media reported a sophisticated ...more

If you're reading articles in bed or scrolling through Facebook before trying to fall asleep, you'll spend much less time on your iPhone before drifting off into slumber as long as you're using the right display mode. Our brains are very reactive to the light our eyes intake. ...more

There are many hacks for increasing productivity, but so many depend on tricking your own mind or behavior. When it comes to motivation in the workplace, though, sometimes the space within which you work dictates how you behave and the work you produce. So if you want to incre ...more

Sitting in a cubicle and never seeing sunlight during the workday is unpleasant to even think about—and sitting in a flourescent-light cube can have terrible effects on both our work performance and overall attitude. Yet there are ways to counteract the effects of cubicle sitt ...more

Some people put up their holiday decorations as soon as Thanksgiving is over. Some wait until Christmas Eve. Right now, the only thing in my whole apartment that would tip you off is a tiny little fake tree on the counter. I've been planning on decorating all month, but I have ...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

In the following video, I demonstrate how to create a device capable of charging the body of anyone who wears it with static electricity, allowing a powerful shock to be discharged into anything that is touched. This grants the wearer the ability to do some pretty amazing thin ...more

Want to spice up your origami cranes? MIT's High-Low Tech Group made two electronic origami cranes that flap their wings when you squeeze their tails. Video: . If that's not cool enough, they connected them wirelessly so that when one flaps its wings, the other lights up. Vide ...more

Control is important. Mankind inherently wants to control its environment, which is why we have things like indoor plumbing, electric lights, air conditioning, and more. Likewise, Minecraft has redstone, which is a way for users to control their environment and manipulate it t ...more

Taste is certainly relative. When you look at Central American architecture and notice all of the bright pastel colors, then move just a thousand or so miles to the north and see that buildings in the United States are mostly painted in earth tones, this becomes abundantly cle ...more

Using your iPhone for a smart home remote just keeps getting better and better. Apple has consistently improved its HomeKit platform since the Home app came out, adding new features, tweaks, and refinements to the system with each update. And iOS 14 continues this trend with a ...more

The newly-announced Moto G7 Play offers some of the same upgrades as its sibling, the Moto G7, but at a much lower price. The upgrades are pretty significant when compared to last year's Moto G6 Play, taking this phone from the "only if you're on a strict budget" category into ...more

After years of struggling, it appears BlackBerry has finally figured out how to update its iconic design for modern times. The BlackBerry KEY2 pays homage to past devices such as the Bold 9000 while adapting to modern times with the Android OS. The result is a device that migh ...more

The Galaxy S10 has finally been revealed to the masses, and it certainly doesn't disappoint. As the flagship to herald the tenth anniversary of the venerable Galaxy S line, the S10 has kept popular and familiar design elements like the immersive Infinity Display while employin ...more

With the best selling phone on Amazon in 2018, Lenovo had big shoes to fill when making the successor of the Moto G6. Fortunately, Lenovo was up to the task. The Moto G7 continues to provide a high performance-to-price ratio, offering a worthwhile upgrade for G6 users while re ...more

In October of 2017, Mathy Vanhoef released "Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2." This paper demonstrates a way to decrypt traffic on practically any WPA2 network, the most commonly used form of wireless security (seeing as all other forms of Wi-Fi encrypti ...more

Relays are simple redstone devices that allow you to switch between multiple outputs with only one input. They're incredibly useful in the right situation! There are many different types of relays, but I'll be showing you how to make two. One will switch power back and forth ...more

OnePlus, whose phones always challenge for the title of best spec-to-price ratio, releases two main devices every year. There's the primary flagship in late spring, then an iterative update with the "T" suffix in fall. Typically, there's not much difference between the two, bu ...more

When shooting video on your phone, you have two cameras at your disposal, the rear camera and the selfie camera, and you can switch freely between the two. As for microphones, you may have more than one but, unlike with the cameras, it's not easy to switch between them. Filmic ...more

Smartphones and other Wi-Fi enabled devices send radio signals called probe frames to locate nearby wireless networks, which makes them easy to track by listening for their unique MAC address. To show how this kind of tracking works, we can program a NodeMCU in Arduino to snif ...more

With all the controversy around the Pixel 3 XL, the regular-sized Pixel 3 might be the phone of choice for most users. Thanks to the huge boost in screen size, the little brother is now an easier pickup for those who like a bigger screen. And once more, the internals are the s ...more

Its official: On May 8, T-Mobile finally released the Android Oreo update for the LG V30 and V30+. Now, every major US wireless carrier has pushed the update. For me, this update is a big deal. Not only does Android Oreo bring some new tools and features, but LG has also inclu ...more

We all carry a bit of anxiety around with us. Is our boss still annoyed because we could barely stay awake in yesterday's pre-dawn meeting? Will our friend hate us forever because we forgot to call them back two weeks ago? Whatever worries pop up in your mind, whether they're ...more

There is a whole world of smartphone accessories out there, some of which are more quirky than others and don't get the recognition they deserve. But these sometimes strange, sometimes embarrassing products can really make life easier on your iPhone or Android phone. We've fo ...more

The OnePlus 7 Pro is definitely a beast on paper. With a specs page that ticks virtually every box and a price point that undercuts the competition by hundreds of dollars, it's hard to overlook this phone. But before you get too excited, know that OnePlus has repeatedly shown ...more

Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of sk ...more

You can take a photo on your iPhone with just one tap or press, but you can also use the Camera app hands-free for more impressive images. Doing so lets you take more detailed selfies, include your whole group in the frame, or get steadier results in Night mode — and it's easy ...more

Gaming on smartphones has grown considerably since the days of The Impossible Game and original Temple Run. Mobile games can be just as in-depth as console and PC video games, but some of those require external controllers for the best gameplay possible. One controller you can ...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

The holidays are here. From the week of Thanksgiving until the end of the year, retailers will be offering massive discounts on your favorite items. So if you're looking for smartphone accessories, this is the time to buy. From Walmart to Best Buy, there are deals everywhere o ...more

If you just got a new iPhone, chances are you picked up the iPhone 11, successor to the iPhone XR, the most popular device in Apple's 2018 series. Since the XR did so well, it was predicted that the iPhone 11 would too, and so far, it has lived up to that prediction, beating t ...more

The wait wasn't so long this time. Apple released public beta 3 for iOS 13 on Thursday, July 18, just one day after the release of developer beta 4. For context, Apple took five days to seed public beta 2 after releasing dev beta 3, so it's a pleasant surprise that the latest ...more

We're pumped for iOS 13 and all of the fresh features and changes that come with it. Developer beta 3 came with new features in the double digits, including AR eye contact in FaceTime and mouse cursor size customization. Developer beta 4, released today, has a few more additio ...more

The third developer beta for iOS 13 has been out since July 3, and while devs have had fun exploring all the new features, those of us on the public beta have sat on the sidelines running the public version of dev beta 2. But we don't need to wait any longer, as Apple just rel ...more

On July 3, Apple pushed out iOS 13 developer beta 3 for iPhone, and there's a lot found hidden within. A new FaceTime setting, more Arcade details, full-page scrolling screenshots everywhere, a noise cancellation option in the Control Center, and a new markup tool — and that's ...more

There's no doubt iOS 13 has dominated the talk around the Apple community this month. Since the announcement and release of the first developer beta, we iPhone users have had a treasure trove of new features and changes to explore and discuss. Now the fun continues with iOS 13 ...more

The latest film addition in the American-produced Millennium series, The Girl in the Spider's Web, was just released on Blu-ray a few days ago. As you could expect, the movie has many hacking scenes throughout, just like the previous English and Swedish language movies centere ...more

When OnePlus announced the 5T, many were disappointed that it wasn't shipping with Android Oreo. To curb some of this disappointment, OnePlus quickly introduced an open beta for both the 5 and 5T and promised that each would receive the official version by Q1 2018. Well today, ...more

Razer just made a big step into the mobile industry by releasing an absolute beast of a smartphone. The gaming-centric Razer Phone tries to provide the best experience for its target audience: Gamers. With that in mind, they created a top-tier device with some of the best spec ...more

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

At one point in the '90s, about fifty percent of the CDs produced worldwide had an AOL logo. About fifty percent of the CDs in my home still have that AOL promise of 500 free hours on them. Though they never got me to join their internet service, I did get a lifetime supply of ...more

Individually addressable LEDs, also commonly called "NeoPixels" after the popular Adafruit product, are a bright and colorful way to get started with basic Python programming. With an inexpensive ESP8266 or ESP32 microcontroller, it's easy to get started programming your own h ...more

Apple released iOS 13.0 on Sept. 19 and announced on the same day the release of iOS 13.1 on Sept. 30. But that deadline was pushed up to Sept. 24, and that's why we have 13.1 just five days after 13.0. But that's good news since we don't have to wait any longer for some of th ...more

Apple's iOS 13 has been available for beta testing since June, and the stable release pushed out to everyone on Thursday, Sept. 19. To help you make the most out of iOS 13 for iPhone, we've rounded up everything you'll want to know, whether a colossal feature, small settings c ...more

If you have a modern iPhone, you have an excellent video recorder at your disposal. Every iPhone since the 6S has the ability to shoot in 4K resolution, and each new iteration has brought new capabilities to the table. But even the best mobile shooter can use a little extra he ...more

After poor sales of the Pixel 3 and Pixel 3 XL, Google needs to reinvigorate its Pixel lineup, devices it's been pushing heavily over the last couple years. On May 7, Google had the eyes and ears of the technology industry at its Google I/O keynote, making it the perfect time ...more

The default Camera app on your iPhone can take some pretty incredible photos during the day. Newer iPhone models can even make nighttime shots look good. But you can't just point and shoot if you want to capture some pretty spectacular fireworks photos on July 4th, New Year's ...more

Your home has walls for privacy, but Wi-Fi signals passing through them and can be detected up to a mile away with a directional Wi-Fi antenna and a direct line of sight. An amazing amount of information can be learned from this data, including when residents come and go, the ...more

Apple just seeded developers and public beta testers the GM (golden master) for iOS 14 on Tuesday, Sept 15. The update (18A373) comes just after Apple's "Time Flies" event, and six days after Apple released iOS 14 beta 8 for both developers and public testers. Apple released ...more

The iPhone doesn't stop at last year's excellent iPhone 12 lineup. Apple's been developing its iPhone 13 models for a while now, and there are a lot of rumors already with eight or nine months still to go until a release. This year, we're expecting four new models with similar ...more

Apple has four iPhone models for the remaining months of 2020, but the most impressive ones are the iPhone 12 Pro and iPhone 12 Pro Max. While the iPhone 12 and iPhone 12 mini are great smartphones, the "Pro" models offer more advanced features, especially for photographers an ...more

Apple's iOS 14 is here. With it, you'll see over 200 new features and changes hit your iPhone, including home screen widgets, inline replies in Messages, and cycling routes in Maps. Here's how you can get your hands on the brand new update. Apple released iOS 14 to compatible ...more

Last year, many were caught off guard when Google released a midrange Pixel device. It was quickly crowned the best value-buy phone on the market, as it brought most of the camera tech people loved in the flagship Pixel for almost half the cost. Google's 2020 entry in this ser ...more

Changing light bulbs that are high up can be scary! You're always in danger of falling victim to a bulb explosion! Check out this tutorial to show you a MacGyver style way to make a device to help prevent this. ShutterSparks: High Light Bulb Changer. This device works equally ...more

Super Mario Brothers! No, wait... Super Meat Boy! Yep, that's right. Meat. As in "cube" steak. As in a square piece of beef with eyes and a shitty grin, who just happens to be in love with a band-aid. I have no idea why. And no matter how shocked you are to see your dinner on ...more