Chemical Methods Search Results

How To: Cook lamb shoulder chops with apples & prunes

This video shows tips on how to use insects to benefit your garden. This will teach you ways to reduce the insect load in gardens without the use of chemicals. Rose aphids can be controlled with lady beetles, for example. Although these techniques have been used for agricultural use, they will work in your home garden. Asian Lady Beetle, tend to stay put. They won’t migrate. They will attack Pecan Aphids. Trichograma, a wasp that is effective against larvae and eggs.

How To: Unclog a drain without Drano

This video details the procedure for unclogging a drain without the use of drain clearing chemicals. This procedure is intended to be used in the event of a drain being clogged with hair. A tool for this task would be a wire hanger, modified to have the bottom removed, and two ends fashioned into hooks. For this example, a drain with an unscrew-able top-cover is used. To begin, unscrew the top cover to reveal the washer and the drain. Remove the rubber washer to fully reveal the drain. Once t...

How To: Understand organic molecules & oxidation in Chemistry

Do you understand organic molecules or oxidization in chemistry? If you answered no then this is the video you need to watch. This video will show you grade 12 chemistry, with organic models, and will teach you about oxidization. In less than 4 minutes you will have a much better understanding of the topic. This is demonstrated with a few common chemicals which include potassium dichromate and ascorbic acid. Ascorbic acid or vitamin C is found in many foods that we eat including fruits and ve...

How To: Compare methods of solving quadratic equations

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...

How To: Build a custom pochade box for oil painting

In this how-to video, you will learn how to build your own custom Pochade box for oil painting. You will need 10 feet of 3/4 x 1/2 trim, 1/4 underlayment plywood,, a table saw for squared cuts, a cordless drill, a dowel no smaller than 3/8, a set of hinges and screws, an Allen bolt and nut for triPod mounting, a piece of glass for the palette, gorilla glue water, and chemical proof. Pre-drill everything to make sure the wood does not split. Make sure that when you drill the hole for the dowel...

How To: Remove blood stains on carpet

This video is a tutorial on how to remove blood stains on the carpet. The first step is to mix 1 teaspoon of dish detergent with a cup of water in a spray bottle. Spray your mixture on the stain and blot gently with a rag. Be careful not to soak the stain so it doesn't go through to the other side of the carpet. The second step is to mix 1 teaspoon of ammonia with a cup of water in a spray bottle. Once again, spray onto the stain and blot gently until the stain is gone. The third step is to u...

How To: Use baby powder to reveal latent fingerprints

This short video shows us how to reveal latent fingerprints on a glass surface by dusting. Anyone interested in forensic science would enjoy trying it as it shows simple steps in dusting and lifting fingerprints. It does not require any chemicals and we can do it with baby powder. The steps involved are so simple and easy to follow that even kids can try it out for fun. This gives a clear idea about fingerprints on different objects like porous, non porous and metals. Enjoy viewing and detect...

How To: Remove rust

Rust can form anywhere and happens on all types of metal objects, no matter how old they are. You can get rust quickly if something metallic gets into contact with water. If some of your beloved tools have gotten rusty, check out this tutorial and learn how to remove some of that dredded reddish layer. This video will show you how to remove the rust naturally, without caustic chemicals and keep your home healthy and earth-friendly while remaining rust-free!

How To: Make a storm inside a test tube

This science experiment will show you how to make a storm inside a test tube. This video tutorial will demonstrate the process of making the miniature thunderstorm inside a test tube with just a few common chemicals. All you need for your very own thunder storm is a glass test tube with holder, sulfuric acid, ethyl alcohol (ethanol), potassium permanganate, glass dropper, measuring spoon, and please wear safety goggles. Sparks and pops occur completely random, just like in a real thunderstorm!

How To: Make money burn green

This science experiment will show you how to make money burn green. This video tutorial will demonstrate the process of making the buck flame green, without damaging the bill. All you need to get that green flame from your green dollar bill is some Heet (methanol), a glass beaker, boric acid, and a measuring spoon. The combination of these chemicals emits a green flame. This is a new twist on the famous "non-burning dollar bill" trick.

How To: Create, shoot and edit a time freeze effect

Adam from Chemical Reaction wants to show you a little movie magic. This video tutorial will show you how to create, shoot and edit a time freeze effect for your homemade film. Stopping time is no joke, but doing it with a little camera skills and a little editing skills makes it easy. You just need to know when to freeze the frame and then layer it with another.

How To: Create the Matrix stop bullet effect

Adam from Chemical Reaction wants to show you a little movie magic. This video tutorial will show you how to create the Matrix stop bullet effect for your homemade film. To recreate the bullet stop effect from the Matrix without a lot of money, this is how you're going to do it. Make sure you get a real looking toy handgun and a bullet to match. Then all it comes down to is a little camera work and a little editing.

How To: Fake shooting a person with a gun for film

Adam from Chemical Reaction wants to show you a little movie magic. This video tutorial will show you how to fake shooting a person with a gun for your homemade film. If you really want to make it look real, get the most real prop gun you can get, but don't use a real handgun. Fake blood is a good thing to get from a Halloween store. Acting skill is the most needed part here... because you can't look like you're being shot unless you can act properly.

How To: Perform the "Lost Labels" science experiment

Check out this instructional science video that demonstrates how to perform the "Lost Labels" experiment. From the Oregon Museum of Science and Industry's teacher curriculum, "No Hassle Messy Science with a Wow", this is an activity about identifying mystery chemicals. You have an array of unknown powders in miscellaneous jars, and the idea is to try to have your students figure out what are all these mysterious white powders. Learn how to perform the Lost Labels science experiment by followi...

How To: Treat poison ivy, oak, and sumac with jewel weed

Jewel weed is found in swamps lakes and wet places. This how-to video demonstrates using the jewel weed stems on the infected area until the bumps or blisters break open. Jewel weed has a chemical that neutralizes poison ivy, oak, or sumac oil, so it's okay to scratch with Jewel Weed. Jewel weed also works well on mosquito bites, burns, and skin diseases. Find out how to treat posion ivy, oak, or sumac with jewel weed by watching this video outdoor safety video.

How To: Learn the tongue block and pucker method

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.

How To: Care for the lawn in the fall

Fall is a great time to fertilize your lawn, especially cool season grasses like Bluegrass and Tall Fescue. By fertilizing in the fall you're building up the root system but because it's cool the top won't grow as well so you won't need to mow as much. Before spreading your fertilizer you want to top dress with compost. Compost is a great additive for the lawn, especially if you sprinkle a quarter to a half inch layer on top of the lawn. It will work its way down and when down there will feed...

How To: Do the 'quilt as you go' method

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!

How To: Reset Blackberry Bold 9000 / 9700 with three methods

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...

How To: Have Strong Healthy Nails

Do you want strong, healthy nails? With just a little time and basic care you will find that you have fingernails that others admire. Growing strong, healthy fingernails can be done with just a little time and care. One of the keys to healthy nails is to make sure you get enough protein in your diet. Take time to think about your nutrition. Are you eating enough protein? Even if you are a vegetarian you can get plenty of protein with beans, nuts and tofu. Also, are you drinking enough water? ...

How To: Model a head in 3D using Maya edge extrusion method

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...

How To: Clean dirty coins using multiple methods

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...

How To: Program methods in Python

Bucky from The New Boston serves up this Python video tutorial on how to program methods in Python. This is the program you use to write all of your Python code down. Fun with methods! Learn what methods are and how to use them.