Computer viruses are terrifying. They are undetectable, dangerous, and operate constantly right under your nose. For the average computer user, there are only a few repair options. You could buy expensive antivirus software that causes more problems than it fixes, you can wipe ...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
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
Need an electric outlet and don't have one? No batteries on hand, either? Well, then you should use the next best thing - potatoes! In this tutorial, learn how to make that old science fair staple - the potato powered calculator! Check it out, it really works! You Will Need: * ...more
If you are a pet owner, going on vacation can be stressful. Usually, you need a friend or neighbor to come over everyday and feed your pets. However, by enslaving robots you can keep your pet happy and enjoy a stress-free holiday. Today, we make an automatic pet feeder from c ...more
The days of trundling hoops, hopscotch and painted wooden rocking horses are long since past. The latest trend in toys? Biofeedback. Electroencephalography. A decade into the 21st century, the toy market is awash in products that incorporate functional neural sensors. One suc ...more
Having problems with wiring your subwoofers? Well, watch this video tutorial to see how to wire subwoofers in your car by parallel or series. You'll see exactly how to hook up the speakers to your car amp, either in series circuit or parallel circuit. It just depends on what y ...more
There's no need to pay for a pricey electrician for a light switch problem— you can try to fix it yourself. This video from This Old House explains how three-way switches work and shows tips for finding and replacing faulty three-way switches in your home. First, you need to u ...more
It turns out that the popularity of soft circuit electronics has leaked out of the interwebs and into the hands of the U.S. military. Soft circuit electronics allow you to literally sew electronics circuits into fabric using flexible conductive thread instead of wire. Soft cir ...more
Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. Oh, the power of redstone! But, what good is any technology if it can't be harnessed for killing? Here's a redstone build for the mad scientist in each of us. Building the Death Ma ...more
In this video, we learn how to repair a defective ceiling fan light switch with Richard Wright. There are two types of switches: two wire and three wire, grab the one you need and tools to help you replace your light switch. Now, disconnect the power at the breaker panel and g ...more
Making your own circuit boards can be a daunting challenge. You have to design a schematic, test it on a breadboard, design the board layout, and then after all of that, you still have to print and etch a board! Luckily, we have Fritzing. Fritzing is a free open-source PCB d ...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
In this article, I'll show you how to build a coil gun. A coil gun is a device that fires magnetic projectiles at high velocities, using electricity. Coil guns require no explosive propellant, therefor can be fired an infinite amount of time, providing that there is ammunition ...more
Just about every household gadget we own runs on 1.5 volt batteries of one size or another. Wouldn't it be great if you could reuse all of those dead AA, AAA, and D batteries after they've passed on? It turns out you can make a simple circuit called a "Joule Thief" to reanimat ...more
Redneck Productions teaches viewers how to clean silver and coins. This shows you how to clean coins with electricity! This process is good because you do not have to rub or scratch your coins and silver in the process. First you will need to get a battery (AA) and wire. Conne ...more
Harry shows ways to fix common garbage disposal problems. First he shows if it hums use a crowbar to break free what is stuck. If you flip the switch and nothing happens it may be the red reset button on the bottom has popped out. He enplanes it may even be a bad wall switch o ...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
Science-fiction writer Jules Verne predicted many scientific breakthroughs, including the moon landing, tasers, and nuclear submarines. In his 1874 book The Mysterious Island, Verne writes: I believe that water will one day be employed as fuel, that hydrogen and oxygen which ...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
Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. While it may first appear complex, the Multi-Channel music sequencer made famous by User FVDisco is rather simple in principle. It relies on proper combination of timing and tone to ...more
Checking your circuit breaker is so easy, a cave man could do it! (I smell a lawsuit) With this easy to follow video, you'll learn how to check the voltage with a multimeter to determine if there is a problem regarding your circuit breaker.
Razer, the company known for PC peripherals and laptops, is joining the smartphone industry with a new device. Rumors have been swirling since they announced an event on November 1 at 4 PM EDT, but now, we have our best look yet with a leaked promotional video before the actua ...more
The trick in the video is that the magnets are made of a conducting material and they connect the battery terminals to the copper wire, so the battery, magnets and copper wire make a circuit that generates a magnet field just in the vicinity of the battery. The geometry means ...more
At the moment, it would be safe to say that demand for devices running Tango, Google's augmented reality smartphone platform, is relatively low among consumers. Kaon Interactive, a B2B software company who has built more than 5,000 interactive applications for use at trade sho ...more
Still have an old tape deck installed in your car? This nifty hack lets you upgrade to the digital age without sacrificing your love for cassettes. There's nothing wrong with some low-fidelity tunes in your car every now and then, but if you want to listen to the tunes on your ...more
If you've got old game consoles lying around and aren't sure what to do with them, there's no shortage of projects you can undertake. From turning a Game Boy and Wii Remote into an Android phone gamepad to combining a GameCube and N64 to make a hybrid console, there's somethin ...more
Back in 2007, YouTube user HouseholdHacker posted a parody video on how to make a high-def speaker for under a buck. MythBusters took on the challenge and busted it. Although that particular method doesn't seem to work, that doesn't mean you can't make your own speaker for le ...more
If you're ever lost or hurt out in the middle of nowhere with a dead cell phone, you might be able to "flag" down help as long as you're near some railroad tracks. Some train tracks carry a small electric charge as a means of detecting other trains for signaling or for detect ...more
One of the many reasons Circuit City should go out of business is their sale of ridiculously expensive cables, wire and cords. The secret to the industry of Monster Cables is that it is unnecessary and ineffective. Gold-plated or otherwise, Monster's $100 cables are not intrin ...more
You may already know that you can build a functional circuit on a sheet of paper with the graphite from a pencil, but you'd probably never think of using it to fix an electronic device. This same principle can be used to bring back a bricked phone, but can also repair a damage ...more
I obviously do a lot of Steampunk projects, but there are a ton of things out there that I haven't tried yet. So, in an effort to broaden my horizons, I recently taught myself how to use Arduinos, which I plan to incorporate into some of my future Steampunk builds. Since ther ...more
Omniscience is not required to make some really cool shit happen. Yes, it took a while, but we can make fuel from the Sun! Solar panels are basically our answer to God. And now that we can make solar electricity, finding the most efficient way to harvest it is tricky. Some so ...more
Fireworks are the best part about the Fourth of July and other celebrations, but they can easily cause accidental injuries. It's both safer and more fun to set them off remotely, so we'll hack some standard fireworks with nichrome wire, a relay, and an Arduino to ignite remote ...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
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
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
I love robots. They have the potential to evolve into Asimovian destroyers of the human species, but have only just mastered the art of cleaning my rug. They have an ever increasing cool factor and a growing number of cheap and simple components that let the hobby roboticist r ...more
You must have seen some expensive mp3 players and CD players which have LEDs fixed on them and they dance to the tune looking really pretty. Imagine you could make your own LEDs and configure them to dance to Daft Punk or Swedish House Mafia. I’m going to tell you how it can ...more
Obviously, millionaires like me don't really have to worry about an empty wallet, but for the rest of you out there, having no cash when it comes time to paying a bill can be excruciatingly embarrassing. There is nothing worse than going up to a register thinking you've got s ...more
For most people, the battery life on a DSLR is more than sufficient, but if you want to do a really long exposure or time-lapse, one charge might not last long enough to get the shot you want. You can always connect it to an extension cord to charge while you shoot, but that c ...more
The guitar is a double-edged sword. I've played all my life, and though I love the act of guitar playing, there are quite a few people I could live with never hearing play again—ever. Paradoxically, it seems that the less dexterous and committed to practicing are the more lik ...more
This is an instructional video featuring Doug Prime, founder of the Future Engineers Center at the University of Massachusetts Lowell. Strip the wire and make sure the wire is tied on tightly before soldering. Don't drip balls of solder. Make sure the tip is clean. Then hold i ...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
Sputnik, Apollo and the Space Race. If you watched the State of the Union address last night, you probably heard President Barack Obama mention those three things. The Space Race was an informal bout between the Soviet Union (USSR) and the United States (USA) over the ascenda ...more
This is a great machine you can build on a shared Minecraft server which will no doubt annoy the pants off your friends! Wire up a couple doors to some redstone circuits - as some open, others will close ad infinitum!
Dale Warner shows us how to get rid of PMS cramps in about 10 minutes. It's an easy, natural, effective and free approach. When it's that time of month, the bloating and cramping can be serious. This solution only takes about 10 minutes to practice. He uses a Jin Shin Jyutsu ...more
Simple yet effective, capacitors come in a dizzying array of forms and materials, vital to so many circuits for storage, timing, and filtration - the mighty capacitor! In this installment of the MAKE presents series, Collin Cunningham explains - how to build a Leyden jar, how ...more
How to prepare a thermocouple for attachment to a printed circuit board (PCB) for profiling a reflow or wave soldering system. This is advanced PCB circuitry and you need to watch all videos in the series to understand all the steps of wiring a printed circuit board entails. P ...more
This two-part video introduces you to the breadboard, also called a protoboard, used to build electronic circuits without soldering. The first part of this presentation describes the features of a breadboard. The second video continues by showing you how a breadboard is used ...more
In this video the man describes of the circuit bending of Yamaha pss 140 synthesizer. This is a good model it's a FM synthesizers. It got many songs , many cool rhythms,nice trumpets and it is working real nice.Here he states that it is important for power supply or else we do ...more
Take your old electronics and make them scream with glitchy goodness. This an extremely easy project and makes a great project for first-time solderers. Circuit bending involves taking electronic devices that make multiple sounds and wiring in switches to set off glitches or l ...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
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
Electroluminescent substances have become more and more popular lately in all kinds of projects, from toy glasses to EQ t-shirts. They allow you to create incredibly thin circuits that can be silkscreened onto a clear flat substance. Watch this video to learn how to layer circ ...more
Leeann of Hierchiss explains how to turn a TV into an oscilloscope. Turn the TV on and make sure it works. First, unplug the power. Take the back off the television. Cut the four picture wires that attach to the circuit board. Strip the ends of the wires. Tape the remaining wi ...more
Spring has sprung, which means it's time to plant all those delicious vegetables and lucrative cash crops. If you are like me, every year you meticulously plan every aspect of your garden before dutifully neglecting it all summer. I decided enough was enough and built this sim ...more
This is the cheapest device to gather interviews as a small, easy-to-carry recorder. I started to use it for preproduction and film documentation after I bought it in a Polish discount shop for about 100 Euro. The only problem was very poor sound quality. I decided to mod the ...more
Whether you're in an airport, restaurant or waiting room, the insidious grip of televisions on human life is omnipresent. Sometimes it's nice to talk to other human beings while looking at them directly—actually hearing what they have to say. Thankfully, there's a DIY device ...more
This video is from the Dummies video series. The video will describe the process of replacing a standard light switch with a dimmer switch. First you must pick a dimmer switch that has the capacity to control the light fixture you would like to dim. Add up the wattages of all ...more