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How To : Calculate weight average atomic mass of an element

In Chemistry weight of some elements are measure in the form of Average Atomic Mass. Isotopes are found in different abundances in nature. Certain elements have many isotopes and certain elements have few isotopes. Regardless of the number of the natural isotopes, the weighted ...more

How To : Make a rubber band ball out of 100% rubber bands

This video shows you, purely through demonstration, how to make a rubber band ball out of only rubber bands. It begins by showing how to create a small knot out of a few rubber bands, then wrap more rubber bands around it as one would with the small ball that is usually used a ...more

How To : Draw realistic looking people

To draw people, proportion is important to maintain a realistic appearance, as well as anatomical details. Draw the basic human form with tips from a professional illustrator in this free instructional video on drawing. Figure or anatomy drawing is an important first step in b ...more

How To : Do a chest circle in belly dance

Check out this dance tutorial video that demonstrates how to do a chest circle in belly dance. The chest circle of belly dancing is an important move to study. Learn to belly dance for fitness or art in this belly dancing video. Take action and remember these tips: -Begin in ...more

How To : Get a strong core with cable squats

Learn how to do cable squats. Presented by Real Jock Gay Fitness Health & Life. Benefits Cable squats aren't just a great leg exercise; they also activate your core, providing a more full-body workout. Muscles Worked Legs, Core Starting Position Set both arms on a dual cabl ...more

How To : Hide PHP Code in an Email Image

In this how-to we will be sending an email with an image we get from a php script after running some fishy code. What you'll need Apache web server with PHP An image (included bellow) An email Account (I use gmail) Step 1: Setting Up Make a folder called "image.jpg" in your ...more

Ingredients 101 : Buying, Grinding, & Tempering Spices

The world of spices can be bewildering. They promise to make your food more flavorful if you know how to make the most of them. Unless you know a couple of essential tricks, however, it just seems like you're adding bits of colored powder to your food. Most cooks buy a few bo ...more

How To : Make the world's simplest homopolar engine

Learn how to make the the simplest homopolar motor there is with just a regular battery, a small watch battery, and a formed copper wire. This is really as simple as a homopolar motor gets. Two batteries and some wire... that's it!

How To : Unstick rusted nuts and bolts

Never be frustrated by a rusted nut and bolt again with this foolproof removal method. Loosen as much rust as possible off the nut with a wire brush. Tap the sides of the nut with a hammer to help the rust separate and fall off. Apply heat to the side of the nut for about a mi ...more

How To : Make a lily flower from folded paper with origami

In this Arts & Crafts video tutorial you will learn how to make a lily flower from folded paper with origami. For this, you need a square sheet of paper. First you fold it in half and then fold it in half in the other direction. Next you fold it diagonally across to form a tri ...more

How To : Solve direct & inverse variation word problems

In this video the instructor teaches about direct and inverse variation. Two variables x and y are said to be in direct variation with each other if you can write them in the form y = K * x. The value of y varies directly corresponding to the value of x. Y is said to be direct ...more

News : 10 Clever Uses for the LED Throwie

Giveaway Tuesdays has officially ended! But don't sweat it, WonderHowTo has another World that's taken its place. Every Tuesday, Phone Snap! invites you to show off your cell phone photography skills. Submit your best shot to our weekly competition for a chance to win an awes ...more

How To : Make Indian style tandoori roti (wheat bread)

Tandoori roti is another type of Indian unleavened bread which is usually made in a clay oven called a tandoor and commonly enjoyed with chicken, lamb, mutton or other non-vegetarian dishes. Vegetarians out there, don’t worry. It tastes just as fabulous with vegetarian curry d ...more

How To : Write a name in an old school graffiti style

Although many may consider it disgusting, there are still people out there who see graffiti as an art form. It requires skill and the right type of materials in order to write anything in graffiti style. Now doing it on other people's properties not so good, but on a piece of ...more

How To : Use NURBS in Maya Modeling to Model a Chess Bishop

The bishop is widely regarded as the most powerful of chess pieces. This video by Andrew Klein will teach you how to make a 3D model of one using Maya. It is meant to help beginners learning the basics of Maya, and focuses on the use of NURBS as part of a 3D model. The previo ...more

How To : Shape a human head in Zbrush 3.1

Jason Welsh shows you how to make a human face in Zbrush 3.1 and gives easy steps for roughing out form. This tutorial is more about process than specific tool movements so you should be familiar with sculpting tools already. NOTE: This link is to a Flash version of the first ...more

News : Light dry ice on fire

Impossible, right? Ahh, well science says fire and ice can and do coexist. The Science of this experiment:Dry ice at -109ºF, is frozen carbon dioxide (CO2), not water (H2O). Dry ice is also much colder than a freezer ice cube. To be exact it is almost as cold as Earth's cold ...more

How To : Do the "Bosa Nova" country western line dance

The line dance is a dance with repeated sequence of steps in which a group of people dance in one or more lines, all facing the same direction, and executing the steps at the same time. Line dancing's popularity grew out of the 1970's, when the country-western dance continued ...more

How To : Make a frog with your hands

This short video shows how you can make up a frog shape with your hands. In order to make a frog by using your hands start by opening your hands in front of you, palms down. Then you have to cross your little fingers on each other. Repeat the same crossing of the next finger o ...more

How To : Build a RanDome Geodesic Emergency Shelter

This method is easy, intuitive and requires very little math. You will need: Any flat flexible sheet material (ex. paper plates for this how-to) Pencil or pen Scissors Stapler, tape, glue or fasteners Ruler or straight edge Protractor Flatten Plates Flatten the paper plate ...more

How To : Make a Raw Watermelon Cake (Perfect for Summer)

Raw fruit "cakes" are all the rage these days, and this stacked watermelon cake is easy to put together and is perfect for people of all ages. It's also perfect for every diet, as it's low-calorie, low-fat, gluten-free, and full of "good" carbs. Don't Miss: 6 Watermelon Hacks ...more

How To : Do a flaming ice experiment

In this fascinating "how to" video, you will see how a simple process creates the illusion of ice that is burning. Only a few items are needed to enact this scientific experiment. As the narrator describes, "Calcium carbide reacts with water to form acetylene gas." To illustra ...more

How To : Crunk dance

Find out how to do a few crunk dances with help from two pros! Crunk dance is a form of dance that can be broken down into basic hip-hop moves that have a little bit of flair added. Bliss & Zetta are professional hip-hop dancers and choreographers. Learn more dance moves from ...more

How To : Edit an MP3 file in Audacity

Audacity is an amazing editing tool, and why is it amazing? Because it's FREE! Yea, that's right, free! One awesome thing you can do with it is edit your mp3 files into whatever you need, heck, make your own ringtones with it! In this video you'll learn how to open a session i ...more

How To : Make a Fire with a Magnifying Glass

Here is a video that shows 90 seconds that could save your life. How to actually MAKE A FIRE with a lens, rather than just burning a hole in a leaf. (Or frying ants, which seems to be the other thing that kids like to do with magnifying glasses.) By forming your target materi ...more

How To : Pronounce the word "lyrics" in English

Today's word is "lyrics". This is a noun in its plural form which means words to a song. For example, you can say, "My dad is a huge fan of the Beatles. He knows the lyrics to all of their songs."

How To : Make a cat's cradle from a piece of string

Relive your fond childhood memories by making some fun shapes out of string! Cat's cradle is one of the most popular schoolyard games, involving a piece of string and two players. The object is to create a series of figures and seeing how many you can make before you can't mak ...more

How To : Dissolve a styrofoam cup in acetone

Styropyro shows a classic demonstration of "The Vanishing Cup" experiment. Things you will need: a container, slightly larger than the Styrofoam cup, acetone and a Styrofoam cup. Place the container on a flat surface and fill it up with an acetone. Get the Styrofoam cup and Ca ...more

News : Make magic milk

Trippy! Get the kids around the table for this one. Here is the official Steve Spangler explanation: "Milk is mostly water but it also contains vitamins, minerals, proteins, and tiny droplets of fat suspended in solution. Fats and proteins are sensitive to changes in the su ...more

How To : Dance introductory Balboa swing dance steps

Balboa is a form of swing dance is danced in close embrace, and is led with a full body connection. The Balboa is the subtle communication between the leader and follower and because of that the Balboa is considered more of a "dancer's dance" than a "spectator's dance". This f ...more

News : Should Kids Be Allowed to Use Facebook and Google+?

It's a question I've been pondering a lot lately. Technically, children under the age of 13 are not allowed to join Facebook. But according to a Consumer Reports in May, 7.5 million children 12 and younger are already on the site. Currently, federal law prohibits websites from ...more

How To : Do tantra yoga

If you're here for instructions on how to do tantric sex, then you best turn back now. While tantra yoga is perceived as a form of mind-blowing sex, in reality it's a spiritual form of yoga that seeks to connect your consciousness with that of the divine universe. It sees the ...more

How To : Set dry ice on fire

Kent Chemistry offers up some of the most exciting chemistry and general science experiments from their lab. Here Mr. Kent illustrates the process of creating fire with dry ice. How does freezing and flame mix? Watch now to see the amazing chemical reaction! This years hallow ...more

How To : Make a ribbon gift bow

Choose ribbon in an appropriate color, texture and width. Are you trying to match the ribbon color to a particular gift wrap? Will the ribbon width give you the size bow you want? How will you be using the bow? Choose enough ribbon for the number of bows you want to make. For ...more

How To : Solve problems with inverse functions

In this video the instructor teaches about inverse functions. Normally in inverse functions problems you are given a function that has a set of points and you are asked to find the inverse of that function. So if the function has a point in the form (x, y) then the inverse fun ...more

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