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How To: Do least squares approximation in linear algebra

Learn how to use least squares approximation for otherwise unsolvable equations in linear algebra! From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll...

How To: Find the least common multiple (LCM) of two numbers

Need to know how to figure out the least common multiple or LCM of two given numbers? From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to...

How To: Solve & find the least common multiple

This is a mathematical instructional video on how to find the least common multiple. Let us now find the least common multiple for 25, 100, 18. This can be written as 5 square, 2 square multiplied by 5 square, 2 multiplied by 3 square. The highest factor in these numbers are, 5 square, 2 square and square. If you multiply 5 square with 2 square and 3 square you will get the final answer as 900. This is the least common multiple of 25, 100, and 18. This method is explained very clearly in this...

How To: Make flying shoes! Or at least, shoes with wings

Have you seen the Addidas JS Wings kicks? They are sick, done in gold sheen with removable wings attached to make you look a little more like Mercury. If you don't have $175 dollars to drop on these kicks, this video from Threadbangers will teach you how to make your own pair of shoe-wings at home out of simple materials, giving you all the style of the real deal without giving up a two days pay.

How To: Calculate probability in "at least one" problems

Calculating probablities can be used to help us make decision. PatrickJMT explains how to calculate probability in an "either A or not A" scenario. The probability of A plus the probability of not A is equal to one. Therefore, the probability of A is equal to one minus the probability of not A ; P(A)= 1 - P(not A). The probability of a major earthquake in San Francisco over a period of time is used as an example. The probablity of an earthquake of a magnitude of 7.5 or greater in San Francisc...

How To: Find least common multiple in rational expressions

This series walks you through the steps of finding the least common multiple in rational expressions. This excellent video shows you a clean board, with the instructors voice showing exactly what to do. Don't fret, any question you may have, will be answered. Watching this video will make you feel like your back in the classroom but rather comfortably from your home.

News: Australian Government Finally Comes Around on Video Games—Well, at Least a Little

The Australian government has a dysfunctional history with video games. Any regular Yahtzee Croshaw follower can attest to that. The Parliament has established a series of unfortuante regulations that make games both highly taxed and overregulated in price. Bringing any goods all the way to an island in the bottom of the world is expensive to begin with, and new games in Australia can tip the scales at $80 or more.

News: US Service Member Kills Atleast 16 Afghan Civilians

Afghan officials and witnesses say a U.S. service member walked off his base and shot and killed at least 16 Afghan civilians in Kandahar province Sunday. The shooting is the latest in a string of incidents to further strain Washington and Kabul’s already tense relationship. Afghan President Hamid Karzai called Sunday’s shooting unforgivable. He demanded an explanation from the United States for what he called “intentional killings.” Karzai said in a statement that nine of the victims were ch...

How To: Use the CAGED system on the guitar

The CAGED system is the road map of your guitar, it teaches you how to play any shape for any chord on any point on the neck of the guitar. This system does require you to be able to at least be able to bar anywhere on the neck with your finger. In this video you will learn the entire CAGED system and how to apply it to your playing.

How To: Farm achievements easily in Halo: Reach multiplayer

Halo Reach is the final entry in the Halo series (at least according to Bungie), and if you're looking to chomp up some achievements with little to no effort, you're covered! In this video, IGN shows you how to cheat the multiplayer settings of the game to allow you to get as many of the game's multiplayer cheats with little to no effort. Just be sure you can handle Legendary mode!

How To: Play dreidel

The dreidel, the small top that's among the most recognizable symbols of the Hanukkah season, is a fun game of chance to play with friends and family.

How To: Record distorted guitar using mics, amps, settings, and digital effects

Recording the tortured sounds of a guitar running through three pedals and a dirty amps worth of distortion has been the heart of rock n' roll since Jimi Hendrix at least. In this video you'll learn everything you need to know to record distorted guitar sounds yourself. It discusses mics, amps, settings, and positioning, then moves on to computer-side stuff like amp sims, EQ, double tracking, and compression. If you play rock guitar, want to record it, or both, this is a must-watch.

How To: Share slides in iPhoto albums in PowerPoint: Mac 2008

Not everybody in this digital age has PowerPoint, whether on Windows or a Mac. But at least Mac users can find other ways to share their PowerPoint presentations with other Mac users via iPhoto. PowerPoint 2008 for Mac makes it easy to share your slideshows. The Microsoft Office for Mac team shows you just how to share PowerPoint slides as an iPhoto album in this how-to video.

How To: Clone yourself using iMovie '09

Do you wish there were more of you? Well, at least two? At least in a video? This sweet video will show you how to do just that with Apple's iMovie. You'll also need a sturdy tripod that you DO NOT move. This is essential to creating the effect. If you move the tripod, this effect will NOT work, or come off as convincing. Also, of course, you will need a video camera. This technique is also possible by using other video editing software tools as long as they are capable of doing blue screenin...

How To: Take photos of floating / flying / levitating people

Do you believe you can fly? Or at least, believe that you can take pictures where it looks like you or other people are flying? Or at least jumping really high? This video will show you how to take pictures of flying, floating, levitating, or high-jumping people using a digital camera, tripod, stool, and photo editing software like Photoshop or GIMP. Either way, the effect is surprisingly easy to create and can help you make some really amazing photos.

How To: Wear an American Apparel Le Sac dress (The Dominatrix)

Can you believe this dress? American Apparel have outdone themselves again! A dress that's not just "one" dress, but at least "eight" dresses. The Le Sac dress is a marvelous article of clothing because it can be worn every day of the week… without looking like a hobo. It's a different style each day, with at least TWELVE different styles. And there's even a look for you dominatrices out there, a super sexy and daring S&M style Dominatrix look. See how easy it is!

How To: Shoot like a pro as a newcomer to digital video

Learn the basics of shooting videos in this video. This funny and informative video from Vimeo's excellent Video 101 series of tutorials demonstrates the importance of things like always carrying extra batteries, holding on to the subject for at least 5 seconds, using the rule of thirds to compose the shots, and planning the shots ahead of time.

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