How To: Print 2-sided (duplex) w/ an Epson all-in-one printer

The Epson video describes how to print two-sided on one piece of paper. When document is ready, go to "File" and then "Print". Click the "Properties" button and select Page Layout tab and turn on the two-sided printing option. Click "OK" in print window. Wait for Epson printer to complete the first page. Take paper, flip over and put it back upside down in the paper feeder. There are instructions that will pop out on screen for this. Click resume and the second page will be printed on the bac...

How To: Transform Multiple Screens into One Big Virtual Display

The Junkyard Jumbotron is an amazing project that allows a collection of random web browser enabled displays—laptops, smartphones or tablets—to share a single image split across the group, creating one large virtual display. Created by Rick Borovoy at MIT's Center for Future Civic Media, the app is completely free and open, meaning you can do it yourself in a matter of minutes. It works like this:

How To: Make a laser out of a lighter

Kipkay has a new cool project for you. In this video, you'll learn how to make a laser out of a lighter. All you need to do is a cheap butane lighter. Any one will do, including one bought from a convenience store. Just watch this how-to video, and you'll be playing with your laser pointer in no time at all!

News: The World's First Teensy, Weensy 3D Printed Bikini

For the hefty price of $200 and up, you can be the proud owner of the world's first 3D printed bikini. And not just the first bikini, but reportedly the first functional and affordable item of ready-to-wear 3D printed clothing on the market. Created by Continuum Fashion, the N12 3D printed bikini is revolutionary because it addresses the technical challenge of creating flexible "textiles" with 3D printed material. The bikini is made of a material called Nylon 12, which is entirely waterproof.

How To: Make a musical electric toothbrush

This tutorial video will show you how to modify an electric toothbrush so that it will play the radio through your skull while you brush your teeth. This handy device is similar to the store bought models but you could hook it up to any audio source (For example: ipod, mp3 player, radio).

How To: Make your own 6v battery pack for the Vivitar 285HV

You can make your own 6 volt battery pack for the Vivitar 285HV camera. The Vivitar 285 is known as the "cockroach" flash because it is well put together and it is very hard to kill the flash. Manual mode settings and the color setting are explained briefly. Instead of using four double A batteries to power this flash you can make your own 6V battery to power it. This is beneficial because the 6V battery will last longer and some of them have the ability to be charged up.

How To: Graph Mario on a TI-83 Calculator

When it comes to graphing and comparing functions, the TI-83 graphing calculator is the end-all device for math and science students. But one of the most entertaining aspects of Texas Instruments' powerful algebraic and trigonometric calculator is not the equations themselves, but rather the art that can be "equated" on them—just think of them as the mathematical equivalent of the Etch A Sketch.

How To: Hack someone's web cam or online security camera

This tutorial will let you hack into a wide selection of web cams and online security cameras. The hack is actually quite easy, and is best done with a browser like Mozilla Firefox. Navigate to Google in your browser, and then type in "inurl:viewerframe?mode+refresh". This piece of code will open up a list of active webcams. Then just surf through your choices and watch whatever you want. You can even change the camera angle and zoom in and out of the picture!

How To: Build a 3D scanner from a $25 laser level

Systm is the Do It Yourself show designed for the common geek who wants to quickly and easily learn how to dive into the latest and hottest tech projects. We will help you avoid pitfalls and get your project up and running fast. Search Systm on WonderHowTo for more DIY episodes from this Revision3 show.

How To: Make your own radio station

This instructional video offers a description and overview of how to set up your own FM broadcast station. Operating from 88 MHz to 108 MHz. It describes how a FM transmitter works and how to make one. It presents a simple di-pole radio antenna for FM broadcasting and how to make one. And finally it explains how with theses two components one can set up their own station from anywhere. The video was made by Seth Gadsden in collaboration with Stephen Dunifer and Free Radio Berkeley.

How To: Calculate compound interest using a TI-84 and solver

This is a video tutorial in the Electronics category where you are going to learn how to calculate compound interest using a TI-84 and solver. Press the apps button on the calculator and press enter to load the TVM Solver which is the 1st choice. Here the meaning of various notations are N is time, I% is the percentage, PV is present value, PMT is payment, FV is future value and C/Y is compounding period. The problem is find the compound amount and the interest earned on $12,903.45 compounded...

How To: Make your laser pointer run on AAA batteries

This video shows us the method to make your laser pointer work with AAA batteries. Take a metal casing made of metal. In the video, we take a Duracell mini flashlight and remove the front and back part. Unscrew the top and back of the laser pointer and remove the batteries. Roll some aluminium foil and put it in the metal casing. Put the AAA batteries in the casing with positive side inside. Put the casing and the laser pointer together and the laser works. Bind the two together by two rubber...

How To: Unlock your AppleTV

Mike Agerbo explains the benefits from listening to one's music through AppleTV, however it seems that one cannot listen to any music or other audio files unless he/she is using iTunes media. Agerbo explains how you can use Apple TV with other types of media, using a program called ATV Flash. Agerbo believes ATV Flash to be an easy and inexpensive tool to upgrade one's Apple Television so it can use the USB port and download and use other media content. One can also create a Boxee account to ...

How To: Use the Pinnacle Video Transfer device

In this video, the author explains how you can use software called "Pinnacle Video Transfer" to convert your audio and video files to other audio, and video forms. This is so that you can carry them on whatever devices you want, and play them whenever you want. This video takes you through all those steps to convert your favorite audio and video files to different file formats. You would get a clear idea as to how you can easily capture videos by watching this great tutorial.

How To: Begin circuit bending

Looking to get into the weird world of circuit bending? In this four part video tutorial geared towards beginners, learn in thirty minutes how to circuit bend. Tools you will need include a soddering iron with innerchangeable tips (thin pencil preferred), thin sodder, hook-up wire, a wire cutter, a wire stripper, a drill with drill bits, plyers (needle nose included), and screw drivers of various small sizes. Other useful tools include cresent wrenches for toggle switches, jewelers files, & a...

How To: Remove a stuck cartridge on a Kodak G600 Printer Dock

This interactive Kodak printer tutorial takes you through every step necessary to fully remove a stuck cartridge on a Kodak EasyShare G600 Printer Dock. If you have a Kodak EasyShare digital camera, you probably have one of these G600 printers, and you've probably had a problem with it, like a stuck printer cartridge, so fix it yourself, let Kodak teach you how. Remove a stuck cartridge on a Kodak G600 Printer Dock.

How To: Make a night vision device

Ever wish you could see in the dark? Well, you can't but this how-to will show you a way to build a device to help you out. You will need light polarizors, a flashlight, and a digital camera. Make an infrared night vision device, just follow along with the steps in this video tutorial. Now you can see at night!

News: Japan's Flying, Tumbling Reconnaissance Sphere Soars at 37 MPH

Flying orbs. At first, you might think of the Tall Man and his army of flying sentinel spheres, equipped with zombie brains and a mini-arsenal of saw blades, drill bits and shooting lasers. But these flying orbs weren't conceived from the evil mind of a superhuman mortician—they were designed by Fumiyuki Sato, a researcher at the Japanese Defense Ministry's Technical Research and Development Institute—for something other than deadly deeds.

News: FakeTV Keeps Burglars Away by Mimicking Television Light and Scene Changes

In the last decade, burglary rates in the United States have fluctuated little with over 2 million burglaries each year. In 2009, nearly three quarters of all burglaries were from residential properties, with over sixty percent being forcible entry. But we all know burglars don't like confrontation—they prefer breaking into apartments and houses when its owners are away. And that's why it's a must for apartment dwellers and homeowners to be on the defensive, even when they're not home.

Coming Soon: Spy Video Glasses with Real Time Streaming to... Facebook?

Lady Gaga and Polaroid's upcoming Grey Label Camera Glasses can record video and snap pictures, but who really wants to show the world what they're up too on those mini LCD screens? It's nothing more than a fancy gimmick between a pop star and a failing company. Isn't the intention of camera glasses to capture things around you as they are? Drawing attention to yourself with clunky video-displaying eyewear kind of defeats the purpose, but that's why they're "fashion" glasses and not practical...

News: New Biometric Device Steals Fingerprints from 6 Feet Away

Dactyloscopy isn’t going anywhere. Forensic science has much relied on fingerprinting as a means of identification, largely because of the massive amount of fingerprints stored in the FBI’s biometric database (IAFIS), which houses over 150,000 million prints. And thanks to the departure of messy ink-stained fingertips, biometric analysis isn’t just for solving crimes anymore.

Amazing Invention of the Day: The Fastidious Icky Goo Scooper

Outstanding advancements in medicine and super creepy Androids aren't the only jaw-dropping inventions out there. Every once in a while, an incredibly random—and at first glance, seemingly useless—device comes along and strikes a chord of strangely deep satisfaction. Behold, the SWITL, a mysterious goo-scraper robot hand created by factory equipment manufacturer Furukawa Kikou: From what I can glean from a very rough Google translation, it sounds like the SWITL was developed for food producti...

News: The Stupid Orchestra

How can an orchestra be stupid, one may ask? Well, when musically measuring a toaster next to a cello, one device certainly comes across as inherently… dumber. Think 200 vintage vacuum cleaners, blenders and washing machines assembled into a whirling, ringing, humming cacophony of daily function. It's not exactly music to the ears, but a kind of robotic harmony is formed.

News: Print Yourself in 3D

Since the early genesis of the brilliant Microsoft Kinect hack, inventive applications have been popping up nonstop. One of the most fascinating projects to surface recently falls within the realm of 3D printing. "Fabricate Yourself"—a hack presented at the Tangible, Embedded and Embodied Interaction Conference in January—allows users to pose in front of an Xbox Kinect, which then converts a captured image into a 3D printable file. What does this mean exactly? Think Han Solo trapped in carbon...

Size Matters: World's Largest Touchscreen Hacked Together with Ordinary Hardware

It's gigantic! It can handle over 100 simultaneous touch points! It has a curvature of 135 degrees! And best of all, it is not the newest, insanely expensive gadget to hit the market. Instead, this touchscreen was hacked together with a bunch of PCs, video cameras, projectors and cheap infrared illuminators at the University of Groningen, in the Netherlands. It works like this: "The cameras, illuminators and projectors are all placed behind a large, cylindrical screen (formally used as a 3D t...

News: The Anti-Cheater Hidden Camera Wall Hook

WonderHowTo loves gadgets. We also tend to enjoy getting our hands (just a little bit) dirty. So, naturally, Brando's Wall Hook Coat Hanger Camcorder is the latest gadget to excite. Disguised as a coat hanger, the device is actually a camera triggered by motion detection. And paired with the see-all glass doorknob, your significant other ain't getting away with nothing...

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