How To: Use the Gauss Method to find triangular numbers
The first video is an elementary explanation of triangular numbers and a Gauss demonstration for the sum of the first 100 natural numbers.
The first video is an elementary explanation of triangular numbers and a Gauss demonstration for the sum of the first 100 natural numbers.
Traditional root ad-blockers like AdAway and AdBlock Plus have no effect on YouTube anymore. Until now, if you wanted to get rid of the commercials that play before your favorite videos, there have only been two ways—either by paying for a YouTube Red subscription, or by using an Xposed module to modify the YouTube app itself and force it into not showing ads.
With just sticks, some magnets, and a bit of Sugru, you too can be the proud owner of an awesome set of magnetic construction toys! The idea is very straightforward. Simply bond magnets onto the tips of thin sticks using Sugru, but the results look like a whole lot of fun.
In this video the instructor shows the different methods of solving quadratic equations. There are many methods to solve quadratic equations each with its pros and cons, each method suitable for a particular situation. The first method to solve quadratic equation is factoring. The advantage of using this method is that it is quick and easy. But the problem is not all equations can be factored very easily. This method requires a lot of practice and intuition. Use this method when the discrimin...
The first video explains the Method of Mathematical Induction. It also gives a background of Francesco Maurolico, Pascal and John Wallis. You'll see how to apply the Method of Induction to prove the sum of odd numbers is a square.
Watch this science video tutorial from Nurd Rage on how to make copper sulfate from copper and sulfuric acid in three ways. They show you how to make copper sulfate from copper and sulfuric acid using two chemical methods and one electrochemical method.
In this how-to video, Andrew Price of Dryad Bushcraft teaches methods of trapping animals in a survival situation. Learn methods of tracking animals as well as the West County trap and wire snare method. Watch this video hunting tutorial and learn how to trap animals like a real Bushman.
This video tutorial belongs to the Electronics category which is going to show you how to reset the Blackberry Bold 9000 / 9700 with three methods. In the first method you hold down the Alt key, the Caps lock key and hit Delete. Your Blackberry will start resetting. This process will take about 2 minutes to complete. The second method is the double reset. Hold down the Alt key, the Caps lock key and hit Delete twice. This method is helpful if your Blackberry is frozen. The third method is cal...
In this instructional harmonica video, learn which of two methods to use when playing the harmonica. There is sometimes a debate among harmonica players on which method is better to use: the lip pucker method or the tongue block method. Both methods play their part in helping the beginner become a more well rounded harmonica player. This tutorial teaches you both harmonica methods.
In this informative video series, Jeri Ellsworth explores several methods that can be used to detect greenhouse gases, including building a homemade mass spectrometer and mid-Infrared absorption. Jeri provides a comprehensive overview of the science behind IR absorption, the mass spectrum and ion filtration.
This method is for those of you looking to quickly brace or unbrace your bow. There are several methods available, but this method is for those of you looking for a quick fix.
Lawrence Perez, from Saddleback College, and his assistant Charlie, give this beginning-algebra two-part lesson on factoring with the ABC method. Solve those darn quadratic equations!
While it might be more common to chat with friends on apps like Twitter, Messenger, or WhatsApp, direct messages on Instagram are becoming more and more sophisticated. Case in point, the app is rolling out a new feature to users that shows a "green dot" next to friends who are online. Luckily, you don't have to let your followers know when you're browsing photos if you don't want to.
Android lets you sync your contacts across devices. The OS will use not only contacts saved on your phone, but also your Gmail. This choice can lead to a contacts list populated with entries that don't have a phone number, which can quickly add up. To mitigate this problem, there are a few methods.
Whether you use VSCO to take all of your photos or you use it primarily to edit photos you take with others apps on your iOS or Android phone, you're at some point going to want your VSCO pics to end up in your Camera Roll or Gallery. VSCO doesn't add them there by default, but there's a couple of ways to get them there.
Amazon's Fire TV set-top box has been out for over a month now, and the hacks are starting to come together. Sure you can play your Amazon Instant Video, Hulu, and Netflix content without any issue, but what about your personal media, like movies and music?
Rooting your Samsung Galaxy S4 has many advantages; theming, free wireless hotspots, deleting system apps, and generally being ahead of the curve when it comes to updates. It's also great for simple things like centering your clock or freezing apps.
What's nice about Minecraft 1.3 is that it makes minecart stations so simple. Before, you needed redstone and buttons and powered rails in order to make a good minecart station. Now you hardly need anything at all! That said, if you want to be snazzy, all of the minecart stations we covered in this earlier article are still completely functional. You may also want to check out this article on how to make empty minecarts come back to you, if you want some extra bells and whistles.
Looking for a new way to do your quilting? Why not try the 'quilt as you go' method! With this method you don't finish the whole piece at one time, but instead take various pieces of fabric and use them one by one. This is a great method if you happen to have a big bag of fabric odds and ends you didn't know what to do with. You'll need a piece of backing, thread, pins and of course a sewing machine. Watch and learn how to quilt as you go!
Here is a detailed two-part explanation of the LBL method (the beginner's method), for solving the Rubik's Cube, or Eastsheen Cube. Need I say more?
In this video tutorial, learn the several methods to get black & white images from color originals in Photoshop. The first method is the simple desaturate by going to image > adjustments > desaturate and it will wipe out the color from your image. The second non-destructive way of doing this is going into the layers palette, adding a new adjustment layer, choosing hue and saturation and dragging the saturation slide all the way down to minus (-) 100. The next method is going to the channels p...
Check out this three-part video tutorial on how to solve a Rubik's Cube with the Jessica Fridrich Method. Are you not familiar with Mrs. Fridrich? Then that means you probably only know how to solve the Rubiks Cube the easy way. Get fast with that puzzle and learn it the faster and more complicated way.
These days, if you're having friends over, they'll probably ask to log into your Wi-Fi network before asking for a drink. But if you've forgotten your password, it can be quite hard to find, since most devices obscure the characters with asterisks.
If you know how to create a class in Visual Studio using C# programming, then you should be able to handle adding methods to a class. So open up Microsoft Visual Studio and follow along with this video tutorial and learn how to add methods.
Modeling a face using Maya or any other 3D art program is tough to do without having the result end up looking like a zombie. See the film Final Fantasy: The Spirit Within if you don't know what I'm talking about. This six-part video will help you avoid this problem in your own 3D models by teaching you how to 3D model a face using the head extrusion method in Maya. You'll need a photo to start with (the creator does not supply the one he used here) but once you have that you should be able t...
iOS app development is not limited to Mac owners. If you want to program apps for iPhones or iPads but you only have a Windows desktop or notebook, this guide overviews the different options available to you, including the DragonFire SDK, RhoHub, and Hackintosh methods. Each has its own strengths and weaknesses, and the Hackintosh method will require you to install Mac OS X on a Windows PC.
The Droid Bionic was rooted the same day it came out with the one click method used to root the Droid 3. This tutorial will walk you through the process of rooting Motorola's Android device so that you can unlock the full potential of Verizon Wireless's flagship device.
This quilt as you go method is really becoming popular and this video shows how you can get in on the action. It's a simple method and you'll see your craft coming together quickly before your eyes. You'll need some backing, many pieces of fabric - widths can be different, but they'll need to be the same length. Check out the quilt as you go method and show off your new found skill! Quilts are a lovely craft and make for an even better gift!
Learn how to quickly switch between SureType and the multi-tap input method when typing on your BlackBerry. This clip will show you how it's done. Whether you're the proud owner of a BlackBerry smartphone or are merely considering picking one up, you're sure to be well served by this video guide. For detailed information, including step-by-step instructions, take a look.
It's a stormy winter night, and you're electricity goes out. You could grab some candles to add a little light to your life, or you could use glow-in-the-dark chemicals for a cool luminescent.
Have you been trying to figure out a way to record your Xbox 360 and broadcast it into Final Cut Pro? Using the DV Passthrough method, you can take an analog signal, pass it through your camcorder, and send it to Final Cut Pro.
If you're doing some OOP programming you can use Magic Methods to help you out. This tutorial will show you three of the methods and they all have good uses if you need them. Magic methods alwasys start with two underscores!
When you're programming in Python, and make a variable into a string, that becomes an object. This tutorial shows you how to use string methods and object methods when you're teaching yourself how to write a program using the Python language.
This video will show you some methods to create a fake Loch Ness monster photo. You will need a camera or a camera phone for this project. One method of faking a sea monster picture involves creating a clay model of a head and a neck of a sea monster and holding it underwater. The outline of your hand holding the clay will serve as the body of the monster. Another method which can be used to fake a sea monster can be done using a clothes hanger and holding it underwater. The hook of the hange...
If you're having problems growing potatoes in your yard, you may have to try another method. Using different methods is very common when growing plants since certain areas may require more or less of a certain ingredient.
Kevin demonstrates multiple methods to clean dirty coins.In the first method he takes some coke in a glass and hangs a dirty coin in it with the help of a string. This coke technique takes a few hours.In another faster technique which takes only 20 to 30 minutes he takes table salt and food vinegar. He takes the table salt and dissolves it in vinegar in a bowl. When most of it is dissolved he drops a dirty coin in it and waits about 20 minutes.Another method is to rub toothpaste on the coin f...
The video shows us how to solve a system of equations with the elimination method. First write the two equations one on top of the other, as it is going to be elimination method and it is recommended to write it in that way. Here the 2 equations are x+y=-3 and x-y=1. In the elimination method we need to add the 2 equations by columns. So adding it column wise we get to have 2x=-2 and solving this we will get the value of x=-1. Then you need to substitute this value of x in any of the two equa...
The video shows a unique method of solving a Rubik's cube. The method is called F2LL or 'winter variation'. There is very little information about this method on the internet. It deals with Corner Orientation. The person in the video is a skilled cube handler. There are 27 algorithms and their mirrors in the F2LL method. While you form an F2LL pair, you need to orient the corners at the same time. This method makes cube solving all the more easy.
How to Use the Highest Common Factor method for Factoring
In this math tutorial, you will learn how to reduce fractions using the prime factoring method. The narrator, a math teacher, of the video begins by defining what prime numbers are. This is important to know. When reducing fractions you need to reduce both the numerator and the denominator down to numbers that cannot be reduced by any other numbers but 1 and itself (prime numbers). The method the video teaches is to find the prime factors of both numerator and the denominator to simplify the ...