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How To: Play a Bo Diddley beat on the ukulele

This how to video shows you how to play the Bo Diddley beat on a ukulele. You will need a tuned ukulele and basic knowledge of chords to do this. First, form a D chord. That is, place your fingers so that the first string first fret, second string first fret, third string second fret, and fourth string third fret are pressed. Use your right hand go up and down. Do not place your fingers all the way on to the fret. Only press down at the right times to create the beat. You will be making muted...

How To: Find the surface area of a pyramid with BabelMath

A pyramid is a three dimensional figure with the base in the form of a triangle and three slant sides to it. To find the surface area of a pyramid you have to find the area of the different pieces that make it up. The pyramid base can be triangle or even other geometric figure like pentagon. So first draw the base of the pyramid separately and compute its area first. Now compute the area of each sides separately. The area of each side can be same if the pyramid is a regular pyramid. Some time...

How To: Make an origami spinning top, step by step

This is an instructional video that demonstrates how to make an origami spinning top. You need seven square pieces of paper, and she uses 6"x6" sheets. First fold the paper diagonally. Fold the short edges to meet the long edge. Unfold it and use that as a guide for the next fold. Fold the top triangles down and tuck on corner into the pocket. Make seven exactly the same. She shows how to slide one folded piece of paper into the next one and fold the edges over each other to hold them togethe...

How To: Solve math problems using proportions

Proportions or ratios are fundamental concepts of mathematics. A proportions is an equation that states that two ratios are equal. Hence proportion can be written in two ways as a:b=c:d or a/b=c/d. In these equations a and d are called as extremes and b,c are called as means. So when working with proportions we can state that product of the means is equal to the product of the extremes i.e. a*d = b*c. This is obtained by cross multiplying the second form of proportions. In mathematics you are...

How To: Make a fishing spear for use in the wild

This video shows you how to make a fishing spear for catching fish or small wildlife in survival situation.To start, you need a sapling about 5 feet long and a knife. Make a raw sharpening of the stick. Then split the log at the tip for a length of 6-8 inches. To split, put the knife on the middle of the sapling, near the tip, and press hard against it. Once it is split, find a twig with the width of a pencil and push it inside the split, making the two halves of the stick form a gap between ...

How To: Make 'frog skin' or 'gak'

Chris Giorni, Mr. Science with Tree Frog Treks, demonstrates how to make simulated frog skin. To make the simulated frog skin, you will need glue, water, borax laundry powder and food coloring. First, add a pinch of the powdered borax to water and dye it green using the food coloring. Next, water down the glue and place it on a plate. Add the borax solution to the plate. Mix the compound with your fingers. It will quickly form a long chain polymer or sticky frog skin. Frogs breathe through th...

How To: Make a candle wax explosion

In this video, you'll see how and why wax can be a deadly. This is how it works,When the test tube is submerged in cold water, the glass forms tiny cracks. The Water enters gets into the tube and vaporizes causing a micro explosion. The hot wax is then ejected from the tube quickly as oxygen is displaced from the tube itself. Be careful, and make sure to be as safe as possible when trying this experiment at home.

How To: Use a TI-89 to calculate nCr

This video shows you how to do a mathematical representation on computing the nCr function using a TI-89 calculator. You can write the nCr notation in different forms. It can be simplified from nCr to C(n,r). The symbol can either be read "n choose r" or "n taken r at a time" which are from it's probability applications. On the example to find "26 choose 17", go to the Home screen of the TI-89 calculator and then go 2nd 5 which is Math. Go choose probability and then to nCr to type in (26,17)...

How To: Draw a simple spraycan character

Cholowiz13 demonstrates how to draw an anamorphic spray can character, which can inspire your own cartoon characters for any artistic purpose. Without using any words, Cholowiz13 demonstrates the creation of a cartoon spray can character by starting with the eyes and mouth. He keeps the face simple and adjusts the body of the spray can to show action while fitting the face. A few simple curves form the hands and fingers. But for the best expression, add shading (especially inside the mouth, a...

How To: Perform a great and simple effect with the gun trick

Here Andy Field explains the Gun card Trick. It can be performed anytime and has no setup required. Remove the Ace of Spades before you start and select any card and return it onto the pack. Now use the table cut control so as to ensure the selected card remains on the top in spite of the shuffling. The next part if strangled sparrow shuffle by taking a third of the pack in the right hand and the others in the left. Form a gun shape using the index fingers to control the two packs that you wi...

How To: Juggle three balls with Jason Garfield

Learn how to juggle three balls in this video tutorial! Jason Garfield is one of the best professional jugglers in the world, especially when it comes having a disciplined technical form. He has won the advanced ball competition (5 - 7 balls) several years in a row now. This video is good because it will teach you the best posture and techniques for juggling from day one, so you will ready if you want to move to more advanced patterns.

How To: Use Delta blues-style rhythm on acoustic guitar

Popularized by artists like Son House and Skip James, Delta blues is not only one of the oldest forms of blues music, it is among the most stylistically distinct and technically rewarding to play. In this video guitar lesson from YouTube user deltabluestips, you'll learn the basics of Delta-style rhythm playing. While this lesson is geared more toward intermediate and advanced guitarists, this means beginning players merely have all the more to learn. Get started using Delta Blues-style rhyth...

How To: Play a Delta blues-style slide riff on guitar

Popularized by artists like Son House and Skip James, Delta blues is not only one of the oldest forms of blues music, it is among the most stylistically distinct and technically rewarding to play. In this video guitar lesson from YouTube user deltabluestips, you'll learn how to play a Delta blues-style slide riff on the guitar. While this lesson is geared more toward intermediate and advanced guitarists, this means beginning players merely have all the more to learn. Get started using Delta B...

How To: Use Delta blues-style strumming and picking on guitar

Popularized by artists like Son House and Skip James, Delta blues is not only one of the oldest forms of blues music, it is among the most stylistically distinct and technically rewarding to play. In this one-two video guitar lesson from YouTube user deltabluestips, you'll learn the basics of Delta-style strumming and picking. While this lesson is geared more toward intermediate and advanced guitarists, this means beginning players merely have all the more to learn. Get started using Delta Bl...

How To: Play a beginner's game of pool

Leah D'Emilio, from Mahalo, becomes a hustler for a day: a pool player, that is! Leah takes a lesson on how to play pool with 3-time national champion Max Eberle. From how to pick the right cue to the various forms of hand bridges, Max takes us through some helpful hints as well as how to pull of a few trick shots. Even learn how to put chalk on your cue tip and rack the pool balls. If you thought you couldn't play billiards, you're wrong, you can.

How To: Make a glass flower

Watch to learn how to use fire to make a flower out of glass. Manipulating glass like this takes a lot of patience and requires separating and joining the glass together until it forms into the shape you want. Make sure to wear gloves and goggles!

How To: Use the passive voice in the English language

In this three part video language lesson, Jennifer goes over the passive voice: what the passive is, how it's formed, and why it's used in the English language. This is great for all levels of students learning English as a second language (ESL). Watch this video language tutorial and learn how to use the passive voice while speaking or writing English.

How To: Join the Peace Corps

The Peace Corps -- have you ever thought of it? It crosses everybody's mind at one point or another, but mostly college students. The Peace Corps offers many benefits, like life experience, student loan repayment, and travel. If you are ready for 27 months of hard but rewarding work, a job with the Peace Corps might be for you. These steps will help you on your way toward an unforgettable experience.

How To: Fold an origami paper rose

Fold paper in 1/2. Fold in half again into a square. Fold in half again, & again into a square about 1/16 of original size. Unfold paper. Fold marks divide paper into 16 small squares. Make 2 diagonal folds in each direction to form a big X in paper. Position paper with inside of folds facing you; fold paper in 1/2 again to form a rectangle. Using previous fold lines, fold lower 1/2 of paper in 1/2. This fold covers 1/3 of remaining visible paper. Grasp center where folds meet. Create 4 ridge...

How To: Make pottery bowls

In this video series, our expert will demonstrate how to make pottery bowl forms. Throwing bowls on a pottery wheel is a wonderful and creative art form that produces useful household items. Let our expert show you how to wedge the clay for large and small pottery bowls, how to form the bowl, and how to trim a foot. This video art lesson is great for beginner potters who want to learn how to make beautiful pottery bowls on a potter's wheel.

How To: Find gold and sapphires

Do not discount the "pretty" rocks found along with gold. The sapphires you see are worth many times more than gold. Sapphire (& Ruby, (corundum), is like garnet, a relatively high specific gravity that will catch in a sluice readily. These gems act as gold, they will drop behind a boulder, in bedrock cracks, and set up in the stratiform layers of a bar on the inside bend of a stream. In a perfect (laboratory world) a river bar sets up from front to back: Gold, Platinum, Lead, Iron Ore (black...

News: How Calcium Sets Off a C Diff Infection

Unfortunately, the very places we go to receive health care put us at risk for becoming infected with superbugs, bacteria exposed to so many antibiotics that they have become immune to their effects. Clostridium difficile (C. diff) is one such bacteria. It causes inflammation of the colon and rampant diarrhea that can have life-threatening consequences. Part of its virulence lies in the tough spores formed by the bacteria. They are responsible for starting infections in the colon and for spre...