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News: World's Simplest Electric Train

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 the two magnets are automatically at the ends of the generated magnetic field, where the field is divergent, so a force is exerted on the magnets.

How To: Customize Your Apple TV's Name

Your Apple TV is just that — your Apple TV, which means you probably want to personalize it a bit, to make yours stand out from everybody else's. And the easiest way to do this is by renaming it. If you live in an apartment building, this will help differentiate your Apple TV from your neighbors' when trying to use AirPlay.

How To: This Secret iOS 8 Feature Gives You Quicker Access to Apps Based on Your Location

Location-based app shortcuts in iOS 8 work at places like Starbucks, the Apple Store, as well as train stations, banks, hospitals, grocery stores, and more. When you're in the vicinity of these locations, a small notification appears at the bottom left of the lock screen. You you can slide up on these icons (as you would on the camera icon on the lock screen) to access specific apps based on where you're located, making it easy to access your Starbucks account when you're buying coffee or che...

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.

Raspberry Pi: WiFi Analyzer

It has been a while since my last Raspberry Pi tutorial , but now I am back with another tutorial. This one I should note isn't your typical tutorial, but as always lets boot up our Pi and wreck havoc.

Spraffl: A New Location-Based Social Network That's Completely Anonymous

The long standing popularity of 4chan has been due to the entirely anonymous setup. The site's anonymous community and culture has provoked media attention, in turn inciting larger audiences. On the other side of the spectrum is Facebook—popular for its connectivity and easily identifiable names. With the brush of keyboard stroke, you can be connected with your entire high school class in a matter of seconds.

How To: Draw Spongebob

Today we're going to draw Spongebob! He's going to be facing forward, so even beginners should find drawing this guy to be a piece of cake! 1) Begin by sketching out a rectangle with a broader top and a narrow bottom, make sure it's not too skinny though. This will be the base of Spongebob's body.

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