Hacks, Mods & Circuitry Features

How To: Build a hovercraft

Check out this Mad Science Experiment with Jason Young and Sean McMains on how to build a hovercraft and send unsuspecting children hurtling down the street on it. To make this cheap and amazing hovercraft, you'll need some wood, plastic sheeting and a leaf blower. This makes a great weekend project for the whole family to enjoy.

News: Self-Electroshocking as Art, Live

Daito Manabe is awesome. Last we heard of him, he was setting up Japanese school girls with glow-in-the-dark grills. Before that, he was playing himself like a human drum kit. And before that, he was just plain old electroshocking himself. In his most recent appearance, he takes his electro-pulsed facial twitches to the stage, with fellow artist Ei Wada, before an audience at Berlin’s Transmediale Festival.

How To: Make a fire with batteries and a headphone

Take a look at this instructional video and learn how to make a light a toothpick on fire with just a few household items. The materials you will need for this process are a roll of tape, two AA batteries, any kind of headphone jack, and any type of aerosol spray. To start this process, you'll want to ducttape the headphone jack and tape it to a batter from the negative end. Take the other battery and tape the positive end to the headphone jack. Afterwards, take you toothpick and spray the en...

News: Holy Pac-Man! DIY Light Painting Saber Is Pure Awesome

A few months ago, we showed you a pretty awesome light painting project that visually captured invisible Wi-Fi signals around town using a Wi-Fi detecting rod filled with 80 LEDs. With some long exposure photography, the results were pretty amazing. This project was inspired by those crazy Norwegians, but this build lets you do something even more amazing—capture pictures of colorful written text and drawn images, frozen in midair.

News: Control a Video Game by Swapping Spit

Once there was Spin the Bottle. Then there was the embarrassing adult version of Spin the Bottle—on Wii. And then there was artist Hye Yeon Nam, who decided to skip all pretenses and go straight for the spit-swapping, no foreplay necessary. Hye Yeon Nam devised a method for controlling a bowling video game by French kissing. It works like this: "One person has a magnet on his/her tongue and the other person wears the headset. While they kiss, the person who has the magnet on his/her tongue, c...

News: Creepy Theremin Utensils Howl the Pain of Slaughtered Ghost Chickens

One of the creepiest musical instruments ever is undoubtedly the theremin, a device originating from the early 20s that emits eerie sounds with a just a wave of the hand. If you've seen the original movie The Day the Earth Stood Still, you know what I mean—freakishly creepy. Playing the theremin can be off-putting for some, since it's a relatively pricy gizmo, but a new geek gadget called the EaTheremin aims to make all of us professional, dinnertime theremists.

How To: Solder a resistor to an LED

A basic instruction for electronic enthusiasts. I use an RGB LED and a 510 ohm resistor as I may change from 6 to 9 volts later, but with my LEDs i could go as low as 330 ohms. I sacrifice some brightness for the sake of longer life. To choose your resistor, the value in ohms = voltage of your batteries or power supply / (as in divided by) the amperage that your LED needs to run.

How To: Untether a tethered jailbroken iPhone 4, iPod Touch or iPad

If your iPad, iPhone 4 or iPod Touch is already on a tethered jailbreak, this is the tutorial on the new Redsn0w release for all you experienced users. An untethered jailbreak is a type of jailbreak where the device does not require rebooting with a connection to an external jailbreak tool to power up the iDevice. Jailbreaking allows users to get root access to the command line of the operating system, to download otherwise unaccessible extensions and themes, or install non-Apple operating sy...