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How To: New Malware App Turns Your Android Phone's Camera into a Data Stealing Spy

Robert Templeman from the Naval Surface Warfare Center in Crane, Indiana and several of his friends from Indiana University recently developed an Android application that is capable of gathering pictures and videos from mobile devices in order to reconstruct a user's environment in 3D. The malware would come coded inside of a camera application that the user would download. The malware, called PlaceRaider, would then randomly take pictures throughout the day and carefully piece them together ...

Steampunk Spray Painting: How to Make Almost Anything Look Like Metal

What I'm going to do in this tutorial is, as the title implies, teach you how to make nearly anything look like metal. This can especially come in handy in Steampunk, as most of us don't have the ability to machine brass. We do, however, have access to wood, PVC, and spray paint. Not to mention that, as a costumer, I can speak from personal experience when I say that things made of brass are really, really, really heavy!

How To: Take Your Phone Pranks to the Next Level with the Prankowl Caller ID Spoofing Dialer

In college, I enjoyed eating, sleeping and making my roommate's life a living hell. My most satisfying prank involved 500 red cups stapled together, filled with water, and strewn across his bedroom floor. He was not happy. To clean up, he had to unstaple each cup, carry it to the bathroom, and dump the water. He was furious, but I was okay with sacrificing our friendship in exchange for a fantastic story that I'll probably tell my grandkids one day. If you're not as cruel as me, there are oth...

News: Unencrypted Air Traffic Communications Allow Hackers to Track & Possibly Redirect Flights

Considering how often many of us fly on commercial airlines, the idea that a hacker could somehow interfere with the plane is a very scary thought. It doesn't help to learn that at Defcon, a researcher found that the Automatic Dependent Surveillance Broadcast (ADS-B), transmissions that planes use to communicate with airport towers are both unencrypted and unauthenticated.

How To: Upgrade to Mountain Lion from Leopard (OS X 10.5 to 10.8)

Mountain Lion (OS X 10.8) is out today, available in the Mac App Store for just $20. Unfortunately, installing Mountain Lion requires that you already have a Mac running Snow Leopard (OS X 10.6) or Lion (OS X 10.7). If you're currently running a Leopard system, you're out of luck, and need to pay $29 to upgrade to Snow Leopard, and then an additional $20 to upgrade again to Mountain Lion. That sounds like way to much trouble to me. But why exactly is Leopard incompatible? Turns out it's not—m...

How To: Recover a stolen bike

You love your bike and it was stolen. Although, this is not a good scenario, you still may be able to retrieve it. Sketch the serial number or means of identification into the bike and then when it is stolen you can really get the word out to all the places that it might turn up.

How To: Use the divisibility rule to test if a large number is divisible by 3

If you're looking for an easy way to determine if a number is divisible by 3, then look no further than the divisibility rule. It's a shorthand way to tell if any given number can be divided by 3, without actually performing the division. Take the number in question, and if the sum off all the digits is divisible by 3, then the original number will be, too. There are four examples in this math video.

How To: Play KenKen

It’s a game, it involves numbers, it’s fun, it’s KenKen! Understanding the goals and rules of this fun, numbers puzzle will give you the skills you need to win. Have fun working your brain and passing the time with KenKen.

How To: Solve square roots in algebra

In this lesson we will learn about one of the most important concepts in algebra SQUARE ROOTS. The square root of a number m is another number n that satisfies the following formula: m = n x n. You can also say that m is the square of n. The opposite of squaring a number is finding its square root. You can use the radical symbol to indicate that the square root of m is n:

How To: Copy a downloaded eBook to a Kobo Wireless eReader

Through Thursday, January 19th, Borders is offering the Kobo Wireless eReader for $99 with coupon—that's $40 off its typical retail price of $139! Though the Kobo Wireless eReader comes preloaded with 100 out-of-copyright classics, new users will nevertheless be interested in filling their new eReaders with their own books.

How To: Use the 4 Gate build for Protoss to win all kinds of StarCraft 2 games

After 12 years Starcraft 2 is finally here to blow your mind. If you're looking for help with the game, you've come to the right place. We have tons of videos about how to do just about everything in the game. We have strategies for winning campaign and multiplayer games. We have guides to using the immensely powerful level editor. We'll even teach you how to build a Terran Barracks out of Legos. This video will show you how to use the 4 Gate Protoss build, which is one of the best and most b...

How To: Jailbreak an iPhone 3G or iTouch 2G 4.0 / 4.0.1

As of today, there are no legal barriers standing between you and jailbreaking your iPhone, iPad, or other mobile device. Hooray! If you were afraid of Apple coming to your house at night if you jailbroke your phone, you can finally let go of the fear and make your iDevice the beast it should have been all along! This video will show you how to jailbreak a iPhone 3G or iTouch 2G with iOS version 4.0 or 4.0.1 using Redsn0w. Now you can fully enjoy your Apple device.

How To: Shoot HD video on a Canon EOS 7D DSLR camera

Eager to make a foray into the world of high-quality HD video with a Canon EOS 7D or Rebel T2i DSLR camera but don't know one end of the kit lens from the other? Never fear: This nine-part video tutorial offers a number of useful pointers for would-be shooters, discussing everything from basic camera handling and lens selection to exposure and white balancing options. For more information, and to get started shooting cinematic, high-definition digital video on your own Canon 7D or T2i (550D),...

How To: Use Google Earth and explore the universe

This video shows how to download and use Google Earth. To download it, go to earth.google.com and click “Download Google Earth”. Then follow the directions according to where you want to save it, and it will automatically be installed. You will see an icon pop up on your desktop. Double click on the icon to open Google Earth.

How To: Make a basic Jeopardy game in MS Powerpoint

This video demonstrates how to make a basic Jeopardy game in Microsoft PowerPoint. First, choose a background color by clicking Format on the top bar menu. Select Background and choose the color you wish to have. Click Apply To All to apply it to your entire PowerPoint presentation. Then, click Insert on the top bar menu and select Table. Fill in the number of columns or rows you wish to have for your table and then click OK. In this example, create a 2x2 table. Make a title for your game by ...

How To: Install memory in a 2009 Mac Pro

MacOSG demonstrates how to install memory in a 2009 Mac Pro. When performing this upgrade, be sure to take precautions for static by discharging static electricity before beginning. Shut down, unplug and place the Mac Pro on a static-free surface. To access the memory, you need to open the side access door by lifting the latch located on the rear of the Mac until it locks in the open position. You can then the door forward and then remove from the body. The memory is attached to the processor...

How To: Perform a math addition card trick great for kids

This video is actually about how to perform a math addition card trick. Firstly take two sets of four cards in which one of the sets consists of 2 of hearts whereas the other set consists of 3 of spades. Then take the set of 3's and place it under the 2's then once it is turned over you get four cards of 3's on the top which is placed aside and the remaining cards are of 2's. Now if you just give a shake then one of the cards of 2's turn into 3 of spades and when the shake is repeated another...

How To: Always win in napkin chess

This week: a rigged game of skill & a simple sucker bet! Check out this video if you want to learn how to beat anyone in a simple game that can be played anywhere with coins and a napkin. Some might call it magic, others call it skill.