Chemical Methods Search Results

How To: Solve a system of linear equations by substitution

System of equations is nothing but a system which contains more than one linear equations. This system of equations can be solved to arrive at the solution of the system. A simple system of the linear equations can be a pair of equations. To solve this kind of system you can employ the substitution method. So take the two equation of the system. Solve for the value of y in the first equation in terms of x. Now take this value of y and substitute in the second equation y value. Now the second ...

How To: Break up with your crazy girlfriend

In this how to video, you will learn how to break up with your girlfriend. First, you should make sure that problems have been building up. This is the initial part that should make you decide whether or not you want to go through with it. This includes your girlfriend nagging and complaining at you. If you are prepared to do this, the next part is the actually break up. You can approach your girlfriend in person and tell her it is over. Tell her why you are breaking up. Another method is bre...

How To: Start a fire with the hand drill

John Campbell instructs the audience on using the hand drill method of starting a friction fires. First, you can use a piece of cottonwood as your fire-board (in his opinion, cottonwood is the best). You need to carve a small round hole about a quarter of an inch away from the edge on the fire-board. Then, you get the spindle going (take a sturdy stick and rub between your hands, scraping the stick across the board). This helps you create a good indention, where you can carve a deep notch int...

How To: Buy fresh ginger and brew a pot of ginger tea

This video illustrates the quick and easy method to Buy fresh ginger and brew a pot of ginger tea . The process is comprised of the following steps:Step 1: Visit a local store or a vegetable shop and buy some ginger. Identifying whether the ginger is fresh or not is a easy job. Just smell it and judge if the odor is strong. A strong odor indicates that the ginger is fresh.Step 2: Mesh the ginger pieces and peel off it's skin.Step 3: Take small pieces of ginger and add them to boiling tea.Step...

How To: Do a bow drill friction-fire method to start a fire

This video demonstrates how to build a fire with a bow drill. Your bow should be slightly curved. It should be the length of your arm. It can be fashioned from a tree limb and rawhide cord. You can use any number of types of cord. You will need a top rock. You will need a board. The board must be dry and dead. You will need a spindle. It should be the same type of wood as your board. You will also need a tinder bundle.

How To: Encrypt files in Mac OS X with the Disk Utility app

The Mac OS's Disc Utility allows for the encryption of files. To open Disc Utility click on the magnifying glass (spot light) up in the top right hand corner, and search for Disc Utility. Click on the first result in the list. Once Disc Utility is open, click on "create a new image" in the top tool bar. A new window will drop down, where you choose what you want to save the new image as. Give it a name, and choose the size you want it to be. Moving down, choose the encryption you want to use ...

How To: Wire a car amplifier and subwoofer inside your house

This easy to follow silent and accurate video will guide you quickly and easily through what you'll need, (like a Power Supply, a sound system that has a Subwoofer Pre-output and a High Input adapter, which may already come with your amp.) First learn what colored wires should be connected to simulate your PC starting. Then connect the amp to the power supply to simulate the car Head-Unit starting. Once the power issues are handled, the video assists you with connecting your audio input. It i...

How To: Make mini polymer clay doughnuts for a dollhouse

Garden of Imagination demonstrates very simple method of how to make miniature doughnuts from polymer clay. There are three varieties of doughnuts made sprinkled, glace and chocolate covered. These are very simple round doughnut. For this we need a plastic clay measure which has balls of different size. We have to start off with a little piece of clay, put in size E of the clay measure. Always put some extra and slice it off. Take it out. Make it into the size of a ball with your hands. Now m...

How To: Make a dramatic film

This tutorial covers some of the basics of dramatic filmmaking. A drama is a film that is character-driven, using the characters' emotional responses to situations to move the story along. Epic and historical dramas put their characters in historical events. Crime dramas are set within the rules and boundaries of reality, but do not have to be linked with any historical event. These films utilize suspense and action to push the characters through the story. Biopics are motion picture biograph...

How To: Join-up with your horse

To do a join-up with your horse, first drive the horse away from you to keep it moving until it is ready to join-up. A join-up may take a very long time, especially if your horse has never done one before. Keep as square to the horse as you can. Use a lunge whip, lead rope or your hands to drive the horse away but never hit or touch the horse. The join-up method creates mutual respect and communication between the rider and the horse. The horse is ready to join up by turning its inner ear tow...

How To: Do yoga handstands with Tara Stiles

Tara Stiles shows us how to work on yoga handstands. Don't worry if you're afraid of handstands, as Tara Stiles will show us how to build slowly with tips and tricks to overcome any fears. We begin with our hands on the floor, about a foot away from a wall, and then kick your legs over and up against the wall so you re upside down. Don't worry about your form yet; this is to get comfortable with the position. When that feels comfortable, the video shows different positions to try that will bu...

How To: Cook Irish seafood stew

Spice up your seafood stew with some Irish flair. The Irish aren't just good for producing good beer (Guinness), but they can cook, too. See how to make some delicious Irish seafood stew.

How To: Blend shapes and colors in Illustrator

Learn how to blend shapes and colors in Illustrator with this tutorial. Open Illustrator and put the circle with color which you want. Put the square on the color you want. Select the object, go the title bar select the object and then select the blend. You will be shown the result on the screen. Select the square and circle where you place the object by click and drag method. Go to the object and select the blend and choose the blend options. Change in specific steps which you want in the sc...

How To: Use a tumbler to polish metal

Magazine associate editor, Jill Erickson, demonstrates how to use a rotary tumbler with stainless steel shot to both polish and harden metal. Jill explains the benefit of stainless steel shot, which is resistant to rusting unlike standard steel. Using shot of various shapes and sizes will make polishing in crevices more effective, providing a more even shine. The process: Add enough shot to cover the bottom of the tumbler, then add a small amount of water. Just enough to cover the shot will d...

How To: Form a makeshift, provisional first aid kit

First aid is important, and not everyone is prepared or even knows what to do in an emergency situation. You could save the day, or at least mend your paper cut. THe key to first aid is the first aid kit. If your's is not up to date, or if you can't afford a real one, then watch this video to see how to form a makeshift, provisional first aid kit.

How To: Change your IP or MAC address

The video is about how to change the IP address. MAC address is the unique identifier a site of the most network adapters. MAC address is used to determine what IP address the computer will have and one way to change the IP address is by changing the MAC address. The method is only applicable for the windows systems and for the MAC systems you need to look at the link provided. In Windows in the start menu, type cmd in the run/search box, which will launch the command window. Type ipconfig/al...

How To: Make Pakistani style potato egg curry

Try a wonderful potato and egg curry that is made in the style of Pakistani cooking. This colorful curry does not take very long to make and is full of spice and is very filling without using meat because of the potato and eggs.

How To: Make a Tall Balloon Centerpiece for Weddings & Events

See how to make a very tall, simple, yet elegant centerpiece for weddings and other events. You first need a tube and a base that it will fit into. Placing the tube in the base, use a hot glue gun to secure the tube into the base. You can then fill up the balloons with air using an air pump and tie pairs of balloons together. Twisting together four balloons, place the cluster of balloons around the base of the tube. Repeat with an additional 8 balloons and place this cluster at the top of the...

How To: MAke Pakistani shaljam or turnip gosht

This video explains the method of preparing the Pakistani shaljam or another name called turnip gosht. The main ingredients of this item are 3 or 4 turnip, 500grams of mutton, one medium size of tomato chopped and one onion chopped, ginger garlic paste, one spoon of sugar to add at the end, take a spoon of tamarind powder, garam masala, chilly and coriander powder and some oil and salt. Take some era also take a pot boil it and pour some oil onto it. Put the era and garam masala powder onto i...

How To: Rip DVDs and convert videos with HandBrake

Everybody is going digital these days, so everybody has a reason for software like HandBrake. You can save your entire DVD collection on your computer in digital files, and you can convert videos into different formats. Check out this video tutorial on how to rip DVDs and convert videos on Ubuntu Linux, Windows, and Mac.

How To: Tune an acoustic guitar accurately

Learn how to tune your guitar using a Korg tuning box. To accurately tune your guitar, you will first need to locate a correctly tuned instrument to provide a reference note. A piano or electric keyboard will work if one is available. (You have to know the names of the keys to use this method.) Otherwise, you can use the fret board below to get your reference note. We'll use the "Low E" for your reference note.