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News: This LEGO Mindstorms Submersible Can Be Piloted by Your Xbox Controller

Making little robots with a LEGO Mindstorms NXT set is already cool, but putting one underwater? Now that's just crazy. That didn't stop this engineer, who built a LEGO submarine that can not only maneuver around his fish tank, but can also be remotely controlled with his Xbox controller. The craft has a sealed battery compartment, exposed Power Functions motors, and features real-time communication between it and a laptop using a NXTbee wireless module.

How To: Make a piece of graphic wall art with Threadbanger

In this video, Meg shows us how to make a piece of graphic wall art with Threadbanger. First, gather stencils in the letters that you want. Then, place them on contact paper and trace them with a permanent marker. After this, cut the letters out and put them on the wall where you want them. Next, mark your wall with a ruler to make sure it's a straight bottom. From here, place your letters onto your canvas. Now, paint over your canvas and allow to dry. Once dried, very carefully remove each l...

How To: Long press on Android cell phones (1.5/1.6)

One of the greatest things about Google's Android operating system is the ability to "long press" on your cell phone. The android platform is full of many surprises and features, and this is just one of them. Long press (or 'touch and hold') is a nifty feature that reveals additional functionality on your Android-powered phone, like long pressing a picture to edit or share it, and download pictures from webpages, and get more options on your email.

How To: Do a cool coin flip switch magic trick

This video will show you how to perform a really cool, easy coin trick with only two different coins and your hands. The effect is that you throw one of the coins up in the air, catch it, and reveal the other coin, which the audience has not seen yet. You accomplish this by switching the second coin from one hand to the other while the first is in the air, then stashing the first coin in your pocket while showing your audience the second. Easy and impressive.

How To: Read a micrometer in mechanical engineering

In this video tutorial, viewers learn how to read a micrometer. This tool allows the user to accurately measure components. They have the ability to measure dimensions accurately to within one hundredth of a millimeter. Micrometers are designed with a wide variety of styles and sizes for normal or specialized applications. Micrometers are able to measure the internal or external dimensions of a component. They are the most important basic measuring instrument used in the metal industry. There...

How To: Control cut a selected card to the top of the deck

This video shows how to perform a simple magic card trick where you will be able to control cut a card to the top of the deck. After determining which card will be the one which is used, the trick may be done in one of two ways, one in which the spectator places the card back into the deck, and the other where the magician does it. Certain grips must be used on the deck, which are demonstrated in the video. You should make sure in both cases to have your pinky discreetly hold the place where ...

How To: Find 24 M-COM Stations in Battlefield: Bad Company 2

Need help with Satellite Uplinks in Battlefield: Bad Company 2 on the Xbox 360? Jack and Geoff from Achievement Hunter give you this two-part video guide on finding all 24 M-Com Stations. In the first video, see the locations of the first 12 M-COM Stations that you must explode for great glory! Part two of this tutorial reveals the last 12 locations, along with the location of the Holy Grail. They also finally break that barrier and hug each other. And they also pick up the Complete Blackout ...

How To: Perform the "Best Card Trick in the World"

Hello ladies and gentlemen, Greg Solomon is here today in this video tutorial to teach you how to perform the "Best Card Trick in the World". He will show for you, and perform for you what many have referred to as the best card trick there is. See the performance of this illusion! Greg will reveal to you, and explain to you how the color change card illusion is performed.

How To: Perform the "Best Coin Trick in the World"

Hello ladies and gentlemen, Greg Solomon is here today in this video tutorial to teach you how to perform the "Best Coin Trick in the World". He will show for you, and perform for you what many have referred to as the best coin trick there is. Immediately following the performance of this illusion, Greg will reveal to you, and explain to you how the coin illusion is performed.

How To: Perform the what's up card trick

Impress all of your friends with some card magic, or as others like to say, card manipulation or card trick. You don't need to be a magician to learn the illusion of magic with a deck of playing cards. See for yourself how easy it is to learn... watch this video tutorial to see how to perform the what's up card trick, where a little of scotch tape comes in handy for when you throw the deck up in the air onto the ceiling, revealing the spectator's card, taped to the ceiling. What's up!

How To: Perform the four aces card trick

Impress all of your friends with some card magic, or as others like to say, card manipulation or card trick. You don't need to be a magician to learn the illusion of magic with a deck of playing cards. See for yourself how easy it is to learn... watch this video tutorial to see how to perform the four aces card trick, where you pick cards randomly out of the deck, put them into four piles and reveal four aces on the top of each pile.

How To: Clean and seal a concrete patio

This is a video clip about "How to Seal a Concrete Patio " by Danny Lipford. This video depicts how to seal concrete by using mortar and cement. It will be sealed for more than 30 days. Use red bricks to seal it and wash it with concrete and masonry waterproof. Always make sure that we seal the concrete properly. Finally, clean and seal for more than 30 days. This seal is not breakable and works for more than 5 to 6 years. Be careful in choosing the waterproof.

How To: Perform the rubber band magic trick

Improve your magician skills with this magic prop trick video lesson. This magical tutorial will show you how to perform the rubber band magic trick. Doing the melting rubber band trick just takes a little practice and a little bit of illusion. See the reveal of this cool trick.