Wiring Two Switches

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

It's always a big deal when the company that makes Android releases a new phone. Google's Pixel series has made a name for itself in three short years behind its camera prowess, but now it's time to start competing with the major players. That said, Google should like how thei ...more

In a bold move, Samsung has decided to forgo the Galaxy S11 moniker and jump straight to the S20. Perhaps it's marketing for the new 20:9 aspect ratio and 120 Hz display, or maybe it's just the fact that it's releasing in 2020. Besides the number, Samsung is borrowing from Ap ...more

A lot of folks complain about the extra features Samsung adds to Android, but while there are some benefits to the slimmer stock Android, the TouchWiz firmware on Galaxy devices definitely has its own advantages. Your phone creates a personalized equalizer based on your actua ...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

The USB Rubber Ducky is a well-known hacking device in the cybersecurity industry, but it needs to be preprogrammed before it can be used. That means it's not easy to issue commands to a target computer since you can't interact with it from afar after plugging it in. And if yo ...more

The Nintendo Switch and Switch Lite are console gaming on the go — with zero regards for modern audio features. Headphone jack? Check. Bluetooth connectivity? Not so much. While Nintendo seems to think we're all happy to live like it's 2015, there's a way to use your AirPods w ...more

Wall studs are both critical for maintaining the structure of your home and supporting items of weight and function on the interior walls (e.g. cabinets, shelves, plasma TVs, etc.). With wall studs playing such a critical role, consistently being able to find them is important ...more

This past weekend's workshop on replacing normal levers with buttons masquerading as levers went really well. Lots of players showed up and everyone had a great time. Most importantly, everyone learned how to make and use a T flip-flop! Why bother with a T flip-flop? T flip- ...more

In this article, I'll be covering Triggers and Coils, part two of the series (see part one here). Generally, a simple EMP generator consists of four components; a capacitor, a transformer, a trigger and a coil of copper wire. The transformer component can be varied, but the co ...more

Thank you to everyone who entered the photo contest for a chance to win a cool lucid dreaming goggles kit from Mad Science. This month's winner was Cerek, who submitted this great camera shutter release project photo: Cerek made great use of the tiny lighter case, fitting two ...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

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

We've already done a tutorial explaining why buttons are superior to levers, but now I want to show you a way to make them even more useful than they already are. You can't get this sort of functionality with levers! A button only emits a one-second (or so) pulse of power. We ...more

How to cut Drywall, Sheetrock, Plasterboard. THE EASY WAY! G'day Knuckleheads, Uncle Knackers here and welcome to Video Two of my ten part series titled 'My Top Ten DIY Tips' as nominated by you.. In todays video l'm going to give you the basics of cutting drywall, plasterbo ...more

If you're like me, the words 'monostable circuit' mean nothing to you. Until just recently, I had no idea what a monostable circuit did, or why anyone would ever need to use one. However, I've come to understand exactly what they are, and how very useful they can be! So I've ...more

Nikola Tesla In my opinion, one of the most neglected inventors of all time. The names Edison and Marconi come to mind as familiar, but Tesla? Most think of a car. Few know that Tesla is responsible for alternating current, florescent lights, radar, remote control, generators ...more

Fans of Doctor Who know that the sonic screwdriver is the ultimate tool. It can unlock doors, turn on lights, detect life forms, solder wires, and sabotage weapons. Presumably, the sonic screwdriver creates sonic vibrations to achieve whatever the doctor wants by vibrating th ...more

In this article, I'll show you how to create a simple yet effective way of scaring off intruders. Of course, there are methods around this approach, but it's great for office pranks and general fun. The project requires a little background knowledge in electronics and circuitr ...more

Graffiti is a great way of getting your message out to the masses. The earliest known graffiti dates back to 30,000 years ago and used the traditional apply-paint-to-wall technique. Though our paint now comes in cans and not from scavenged berries, the actual graffiti process ...more

Welcome back, my hacker novitiates! Many of you have probably heard of a man-in-the-middle attack and wondered how difficult an attack like that would be. For those of you who've never heard of one, it's simply where we, the hacker, place ourselves between the victim and the ...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

Many of the iPhone 15, 15 Plus, 15 Pro, and 15 Pro Max features were carried over from last year's models. Still, quite a few capabilities are exclusive to the 2023 lineup, and some may be worth the upgrade. While the iPhone 15 Pro and 15 Pro Max possess many of the new featu ...more

There's never been a better time for streaming videos on your phone. With so many options available (including a potential mobile-only Netflix tier) and so many new smartphones having large screens, there's a good chance you know someone who mainly use their phone for videos. ...more

Late last year, we got a little surprise from Razer. The gaming company released its first smartphone, and as expected, it targeted gamers. Branded as a gaming phone, it started a trend which several other companies followed soon after, including ASUS, Xiaomi, and even Samsung ...more

A disease called "citrus greening" has devastated and permanently altered citrus production in the United States, but a vaccine that could protect orange trees may be part of a winning strategy to beat the bacteria that is killing the trees. Citrus greening, also known as Hua ...more

The first day of Hanukkah is here, the day you start lighting the candles of the menorah. So, why not ditch the wax and light the "lights" this year? (Skip ahead to see the LED menorah) Hanukkah is a Jewish festival that lasts eight days from the 25th day of Kislev, which th ...more

There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. In this part, I'm actually going t ...more

It's looking more and more likely that rumors stating that the iPhone 7 will not include a 3.5 mm headphone jack are true. Chinese websites Wei Feng and Anzhuo.cn reported that anonymous sources on the supply chain confirmed that the controversial design choice is a reality. ...more

At night, it can be pretty difficult to see what's inside drawers and cabinets, unless you have night vision or something. Sure, you can turn on the light, but sometimes you're in such a hurry that you don't have 5 seconds to walk over to the light switch and turn it on. Perh ...more

It's been proven over and over that you can make batteries out of fruits and vegetables such as lemons, potatoes, and even apples. Turns out, passion fruit is also acidic enough to power a battery, but Maui Makers member Ryan K decided to take it a step further by adding a las ...more

In the past few weeks, you've already learned how to make your bike light up at night with some DIY rim lights and handlebar lights. But how about something a little more functional? Instead of using those tedious hand signals (which drivers don't even understand), spruce up y ...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

Lurking inside your old junk microwave is an abundance of useful parts that can let you melt metal, spot weld, and make electrifying Jacob's ladders. You can even make a powerful AC arc welder, perfect for making hard-to-solve puzzles and even makeshift weapons for the zombie ...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

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

There are many impressive accomplishments in Minecraft, too many to name in fact. Sprawling builds, complex machines, and massive servers are the hallmark of Minecraft and things keep getting bigger and better. No one doubts the epic scale Minecraft has reached, but every once ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play with us on our free server. There's no better way to get around, either for recreation or labor, than the minecart. Minecarts can make a laborious job simple and a boring house fun. Minecarts are much ...more

The DIY industry is booming, despite the desperate blackmailing of society by finance capitalists. Companies like Adafruit and Makerbot are grossing well over a million dollars a year, and Evil Mad Science Laboratories just recently dedicated themselves to running a full-time ...more

I have an absolutely wonderful time making projects and writing articles for all of you mad scientists! Today, I will bring you behind the scenes for a look at the workbench, tools, and software that make the Mad Science World possible. Above is my beautiful workbench! My who ...more

Everyone from first responders to hotel cleaning staff use radios operating in the sub-megahertz range to communicate, often without even encoding the transmission. While encoding and encryption are increasingly used in radio communication, an RTL-SDR adapter and smartphone ar ...more

Whisking liquids seems somehow quaint, especially since there are good, cheap devices out there like immersion blenders and hand mixers that can whip cream, turn egg whites into meringue, and mix batters for you. However, I still love my whisk and use it often, and here's why ...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

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

For anyone interested in using cheap, Wi-Fi-connected microcontrollers like the ESP8266, the Arduino programming language can be a barrier to entry. Based on C++, Arduino requires knowledge of more computer science than languages like Python. Fortunately for beginners, setting ...more

The USB Rubber Ducky is a famous attack tool that looks like a USB flash drive but acts like a keyboard when plugged into any unlocked device. The Ducky Script language used to control it is simple and powerful, and it works with Arduino and can run on boards like the ultra-ch ...more

In a previous guide, I demonstrated how to extract images from a security camera over Wi-Fi using Wireshark, provided you know the password. If you don't know the password, you can always get physical with the Hak5 Plunder Bug. Using this small LAN tap, we can intercept traffi ...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 this article, I'll be showing you how to make a simple yet effective static electricity generator. Basically, this device allows you to carry a constant static charge on your body and discharge it on anything grounded or of opposite polarity. The electricity generated is ar ...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

Mobile wallet Curve just released a new feature that lets you correct past mistakes. Sounds incredible, right? Unfortunately, the mistakes you can erase aren't things like forgetting to do an assignment in school, screwing up a job interview, or, well, your ex. However, you ca ...more