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News: Inputs for the HoloLens Can Be from Any Device... Even a Smartphone

We've highlighted the projects of Wavelength Studios a few times over recent months for their work in the augmented and mixed reality space. Since receiving their HoloLens headsets, they've been hard at work on both development community projects as well as efforts for clients. This brings us to their latest work—a way to control holograms on the HoloLens with our pocket-based modern miracles, also know as smartphones.

How To: Shoot cards into the air

This kid has great instincts for teaching magic or card tricks as he instructs with multiple camera angles the best methods for shooting cards in the air. He also has different finger and grip techniques for multiple cards and different spins.

How To: Control a slice in golf

This video presentation details how to control and reduce a slice in golf. Materials required include a golf club, golf balls, and optionally a tee. Ideally a wood would be involved in this practice. How to control the slice is somewhat of a misnomer since the intent of the process is to remove the slice since it can be an unwanted thing. A slice is when a golf club is swung and the club remains 'open', this is when it is facing toward the right as the swing is coming through, this imparts a ...

How To: Understand arithmetic basics to do long division

This video shows us how to understand the basic arithmetic for doing long division. Whenever you are about to perform the division operation, the number which is to be divided is called as the dividend and the number which divides the dividend is called as divisor. So while performing a very long division, usually the dividend is put under a bar and the divisor is put upfront. So while dividing the dividend, the divisor is made to check whether it can divide the numbers involved in the divide...

How To: Perform enrosques in tango

In this video, Homer and Cristina Ladas teach us how to perform enrosques in tango. For the follower, it involves the corkscrew action with no change of weight. You can do this in your own axis or an imaginary one. For the leader, it can involve not changing or changing weight. The eye of the eagle can be more comfortable for one person. To make it more exciting, you will delay the action and then give it a burst of energy. Just make sure to practice this so you have a good understanding of h...

How To: Shoot deceptive & multiple camera angles

This video tutorial is in the Film & Theater category which will show you how to shoot deceptive and multiple camera angles. Camera and shooting techniques can add to the magic of your videos along with some simple special effects. One of the techniques is called the Zolly. It adds drama by creating a disorienting visual effect to the viewer. By zooming out a camera while using a dolly to move in, the subject stands out as separated from the background and appears to be floating towards the c...

How To: Pull tricks and pranks on patrons at a pool or billiard hall

The pool hall is one of the most traditional places to meet and socialize with others in both East and West. If your crappy pool skills keep you from enjoying your time out at the pool hall properly, try pulling some of these pranks on people better than you! They range from the extremely simple beat-me-without-scratching gambit and other tricks that defy convenient naming but are hilarious and involve both pool and beer.

How To: Solve word problems that involve rounding to estimate differences

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 unpack and solve problems that require you to estimate differences by rounding.

How To: Solve math problems involving the identity property of one

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 unpack and solve word problems requiring use of the identity property of 1.

How To: Save multiple locations in Yelp

This video tutorial is in the Computers & Programming category where you will learn how to save multiple locations in Yelp. Yelp is great for finding businesses in your neighborhood. You can also search for something in other cities. You can enter the location in the 'near' box to search for something somewhere else. You can also save locations to easily search later. Click on 'account' and then on 'manage saved locations'. Here you click on 'add new location', type in the location name and t...

How To: Say numbers 11 to 99 in Vietnamese

In this language video tutorial you will learn how to say numbers 11 to 99 in Vietnamese. For the numbers from 11 to 19, you simply add the number to the word for 10, that is, Muoi. For example, 14 will be Muoi Bon (Bon = 4) and 18 will be Muoi Tam (Tam = 8). For multiples of 10, simply add Muoi after the number. For example, 20 will be Hai Muoi (Hai = 2), 30 will be Ba Muoi (Ba =3), 40 is Bon Muoi and so on. For all other numbers, simply add the number after the multiple of 10. For example, ...

How To: Prepare your kids for their first camping trip

In this clip, learn how to get your children ready for a camping trip. Camping can be a fantastic experience for your little ones where they can learn about the environment, animals and basic outdoor activities. Teach your kids outdoor safety and get them involved so that they have a ton of fun.

How To: Get through airport security quickly

Airport security lines are one of the biggest hassles involved in air travel. Navigating them quickly and successfully can be the difference between making your flight and not. This video offers some tips for how to get through security quickly, including buying airport-security-friendly luggage and packing said luggage in an easy-to-inspect way. Also, don't wrap any gift, as security may want to unwrap them!

How To: Perform a Superman air on a surfboard

In this clip, Jordy Smith teaches you how to perform a Superman air move on your surfboard for maximum impact. The Superman is a complicated looking move that involves grabbing your board mid-air and landing back down on it. Jordy gives great advice for which type of waves to seek out and how to maintain your balance on the water.

How To: Perform the rodeo flip on a surfboard

In this video from Surfline, Jamie O'Brien shows you how to perform an awesome rodeo flip on a surfboard while you are in the ocean. Rodeo flips involve flipping upside down and landing back on your feet. This trick is pretty awesome and you will get some expert advice from this tutorial to get you started.

How To: Solve rate-of-change business math problems in Excel

As you might guess, one of the domains in which Microsoft Excel really excels is business math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 30th installment in his "Excel Business Math" series of free video lessons, you'll learn how to solve business math word problems that involve rate of change (increase or decrease).

How To: Do multiple regression with MS Excel's LINEST function

Looking for a primer on how to create and work with array formulas in Microsoft Office Excel? You've come to the right place. In this free video tutorial from everyone's favorite MS Excel guru, YouTube's ExcelIsFun, the 13th installment in his series of Excel array formula series, you'll learn how to do multiple regression and linear algebra problems with Excel's LINEST array function. Also see how to use the SLOPE, INTERCEPT and the FORECAST functions for linear algebra and how to create a s...

How To: Build arm strength for pitching

In this how to video, you will learn how to build up your arm strength for pitching. This involves using exercises that give you more focus on the muscles you will use for throwing. A high cable curl and crunch is a useful exercise for doing this. It involves gripping the rope on a weight machine and combining two different exercises together as one. You first start out with a curl, and then move on to a crunch. Repeat this for as many times as necessary. This will help you get a little extra...