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!

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: Use Hulu Plus on a Roku digital video player

Ever wish you could watch your favorite Hulu shows on your TV using your Roku media player? Before November 17th, 2010, you were out of luck — now, in most cases, it's as easy as running a software update! This clip will show you what to do you get Hulu Plus up and running on your own television using your Roku set-top box.

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: Start using Sony's new Internet TV Blu-ray Disc player with Google TV

Google TV is a revolutionary new way to enjoy your two favorite things in life— Internet and TV. And Sony just happens to be the first company to design television products powered by Google, like their Internet TV Blu-ray Disc Player (Model NSZ-GT1). If you're thinking of getting one, this video provides a hands on, showing you how to use the new Sony Internet TV, paired with practically any television.

How To: Repair the Vivitar 285's Flash Foot

In this tutorial, we learn how to repair the Vivitar 285's Flash Foot. First, remove the flash foot using a soldering iron. Melt the solder just enough, don't ruin the wires or the backing. Now, set the iron down and then short the wires out, you will see the flash go off when you do this. Trim of the exposed wire from the end, then wrap a small amount of electrical tape around the wires. After this, you will repair the metal around where the wires were connected. Then, solder the wires back ...

How To: Make your own solar panel

In this video, we learn how to make your own solar panel.The amorphous solar glass is the cheapest but it's also the least efficient. You can do anything you want with these and they are durable. The hexagon cells are the most efficient and most expensive as well. The poly crystalline is almost 2 watts a piece and can be purchase in lots of any size. You have to tab these cells together and they are extremely fragile. Be careful when you work with these. To make these, you will solder tabbing...

How To: Use your Mac as a wireless adapter for XBox Live

In this video, we learn how to use your Mac as a wireless adapter for Xbox Live. You will need: a Mac, monitor, Xbox, and Ethernet cord. Start out by going to system preferences, then going to the sharing folder. Go to internet sharing and make sure the Ethernet box and internet is selected. Then, click the box next to internet sharing and click "start". Now, go to the network option and go to advanced, TCIP, and then write down your sub maps and router IP address. After this, plug the Ethern...

How To: Build a small DIY hydrogen fuel cell science experiment

The hydrogen fuel cell has great potential to replace carbon-based fuels in our vehicle fleets and stave off global warming. It's a difficult concept intellectually, so why not make this fun little science experiment to try it out for yourself? Yes, by following these simple instructions you can make a small hydrogen fuel cell at home that will even power some devices!

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: Boost your AppleTV experience with aTV Flash

The AppleTV is a great home entertainment hub for all your video viewing joy, but it still stands a little limited in all its glory. You can hack your Apple TV to death, but if you don't know what you're doing, you can waste tons of time and possibly even ruin your Apple TV. But with a hack called aTV Flash, hacking gets a little easier. It does cost around 50 bucks, but it adds a ton of functionality, from integrating Firefox, to allowing external storage to incredible codec support.

HowTo: Print Clouds

While I'm waiting for artist Doug Aitken to figure out how to manufacture real clouds, this foam cloud printer will do just fine in the meantime. Demonstrated at Berlin's consumer electronics fair, IFA. Previously, MEGA 3D Printer To Create World's First Printed Building.

How To: Fix a jam in your printer

When your printer jams, it can destroy your productivity and even your professional life! If you want to be able to fix the problem quickly, watch this video. It will give you ideas for steps to take to repair the problem and get your document.

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