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How To: Perform the cartwheel Arabian trick

A 3RUN tutorial for the Cartwheel Arabian move. This trick tutorial is performed by Chase Armitage and produced by 3RUN Media. You need to be able to do a roundoff backflip. This is a roundoff backflip with a 90 degree turn. This is a parkour, freerunning or gymnastics technique. It is in slow motion for extra help.

How To: Play Indonesia

Board game enthusiast Scott Nicholson reviews a new game each week showing you the pieces and rules of play, as well and demonstrating the game with friends. This weeks game, Indonesia, is about producing and shipping goods, dealing with mergers and acquisitions, and will take 3-5 hours to play.

How To: Modify your machete for the bush

In this video, we learn how to modify your machete for the bush. First, you can sharpen your blade on a piece of wood. You will produce wood shavings that will produce fire as well. Push down on the sides of the knife as well as base and on the tip and middle. Make sure you slightly sharpen the back as well so you can use it to open up coconuts. Once you do this, you will have five useful edges on your machete that you can use for many different purposes while you are out traveling. You can a...

How To: Change the oil on a riding lawn mower

It is very important to change the oil on your lawn mower just as important as changing the oil in your car. The oil liberates, cools and cleans the engine. It is best to check your manufacturers information to know how often to change the oil. To change the oil you will need the following: a wrench, gloves, a drop cloth, a socket wrench, oil container, a brush, a new oil filter, an oil filter wrench and fresh oil.

How To: Calculate NPV & IRR with a TI BAII Plus calculator

The video shows you how to calculate capital budgeting with a Texas Instruments BA2+ financial calculator. Capital budgeting will help you determine cash flows for given investments for a certain number of years in the future, thus helping you determine if the investment is worthwhile. The buttons you will use are the CF (cashflows) button, the NPV (net present value) button, and the IRR (internal rate of return) button. The video uses the example of a $10,000 investment that will return $5,0...

How To: Make fire in multiple ways

In this Outdoor Recreation video tutorial you will learn how to make fire in multiple ways. For this you will need either cigarette lighters or matches. There are also a variety of fire making kits available with fancy strikers to produce sparks and chemically coated paper strips or ropes that catch fire easily. Another method is a fire piston. Put the ‘O’ ring on the plunger and some charcoal powder on the tip of the plunger and bang it in. when you pull out the plunger, the charcoal will be...

How To: Improve your video quality by lighting each shot

The video producer in this instructional lighting video shows the contrast of how to produce a well lit scene. He first makes a cut out of a piece of foam board, then mounts it, placing it just so. He then position the lighting at an angle that appeals to the viewers and compliments the subject at hand. He also shows the difference between the angle of the camera and how the lighting is positioned. He takes us through the process of how to angle the camera and set up the lighting with minimal...

How To: Clean your clothes dryer & make it hot again

In this video tutorial, viewers learn how to make a dryer machine produce heat to dry clothes. Sometimes the dryer machine doesn't produce enough heat to dry clothes. To begin, users should clean the filter if it's full of dust. Check the discharge tube and make sure it is clean and doesn't have anything inside. Users should also open the back of the dryer machine and clean up all the excess dust located in the machine. The build up of dust clocks up the passage way and prevents the machine f...

How To: Understand different immune system responses

This is a presentation of different types of immune responses in human body. There are two types of immune systems i.e., non specific and specific or adaptive immune system. Again, non specific immune system is sub- divided into barriers. It is the first line of defense. The second line of defense is the inflammatory response. They are phagocytes. These are all products of white blood cells. It is also called as leukocytes. Lymphocytes are another type of white blood cells which are carriers ...

How To: Avoid the #DIV/0! error in fornulas in Excel

Getting errors when trying to crunch your numbers in Windows Excel can be frustrating, but with this fun and easy to follow guide to remove the "#DIV/0!" error. When the computer thinks you're trying to divide by zero, it produces an annoying error, but by following this video guide you can be free of that irritation. He goes step by step on how to edit the formula calculator so that it no longer produces the error, and even explains in detail why this is solving the error problem. You don't ...

How To: Buy and win eBay auctions

Help yourself win that must-have item with these tips. You Will Need: a computer with internet access, money, & patience. Create an account. Browse the categories to familiarize yourself with the site, especially if you don’t have a specific item in mind. If you know what you want, start searching by using broad terms and synonyms to yield the most results. Add quotes around your search terms or qualifiers, such as a specific color or size, to narrow the field. You can also post on the “Want ...

How To: Relax your tired eyes

Looking at videos can produce eyestrain. Staring at a computer all day can produce eyestrain. Our eyes can become tired. There is hope! Eye fitness relaxation practices are helping millions. They are simple to incorporate and easy to learn. In this video Dr. Roberto Kaplan introduces you to the world of relaxation for your eyes. Enjoy.

How To: Build a Laser Trip Wire Alarm System

Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The triggers for this boundary could be as simple as a pressure sensor, or as complicated as a laser network. They all do the same thing, but some work better than others.

How To: Ease bloating pain

If you've ever had bloating you know this can be an uncomfortable and even painful situation. You can alleviate bloating by preventing gas or taking measures to try to reduce gas. Food, exercise and stress can all effect bloating.

News: Scientists Turn Bacteria into Mini Cyborg Solar Panels

Plants all around us capture sunlight every day and convert it to energy, making them a model of solar energy production. And while the energy they make may serve the needs of a plant, the process isn't efficient enough to generate power on a larger scale. So, scientists from the University of California found a way to treat bacteria with chemicals that turned them into photosynthesis machines, capable of generating products we can convert into food, fuels, and plastics.

News: Bacteria Turned into Factories, Supplying Critical Enzymes to Make Cancer Drugs Cheaper & Save Endangered Yew Trees

Cytochrome P450 (P450s) are proteins found in nearly all living organisms, which play roles that range from producing essential compounds and hormones to metabolizing drugs and toxins. We use some of the compounds synthesized by P450 in plants as medical treatments, but the slow growth and limited supply of these plants have put the drugs' availability in jeopardy and jacked up prices.

How To: Train a dog to walk on a leash

Train your dog to walk politely at your side. Choke chains and other forms of negative reinforcement might make the dog associate being by your side as a bad thing, but positive reinforcement techniques will keep both the dog and pet owner happy. Watch this video pet training tutorial and learn how to teach a dog to walk on a leash.

How To: Whistle very loud using 4 fingers

First of all you have to wash your hands thoroughly so that they are nice and clean. Now take your middle finger and your index finger of your both hands. Now open your mouth and roll your tongue upwards. Place these fingers on your rolled tongue inside your mouth. Now blow very hard. If you can whistle then you have done it. Otherwise the tutor suggests that you must practice a lot to learn this. You only have to keep following the steps mentioned. It needs a lot of dedication. You will not ...

How To: Fold an origami catamaran boat

Not only is origami useful for making things that appear like they should be able to float (like paper swans), it's actually good for producing things that do — like paper boats. With this guide, you'll learn how to make a paper catamaran with origami, the traditional art of Japanese paper folding. For more information, including a step-by-step overview of the folding process, as well as to get started making your own floating paper boats, watch this free origami lesson.

How To: Tie your own tzitzit (or tzitzis)

This instructional video, produced by Jewish Pathways, demonstrates how to tie your own tzitzit (or tzitzis). Tzitzis are fringes or tassels worn by observant Jews on the corners of four-cornered garments, including the tallit (prayer shawl). They are considered a time-bound commandment, which means they are worn only by men. This Judiasm video will help you learn how to tie, knot and twist strings - tzitzit - to a garment.

How To: Make a flying tea bag

This video tutorial demonstrates how to make a flying tea bag. You only need is a cheap tea bag and a match to set it off. The tea bag remains are so light that the hot air produced from the ashes is enough to make them lift into the air. This experiment is slightly dangerous, so be careful!