How To: Explain why the sky is blue through chemistry
Want to know why the sky is blue during the daytime and red during the evening and morning? A simple experiment is all that is needed.
Want to know why the sky is blue during the daytime and red during the evening and morning? A simple experiment is all that is needed.
This educational math video describes the steps necessary to solve an equation involving absolute values. "Absolute value" refers to the magnitude of a quantity and is always expressed as a positive number. You can think of absolute value as the distance a number would be from zero if plotted on a number line. Positive 17 and negative 17 both have the same absolute value because both are 17 units from zero on a number line. Because of this, all absolute value problems have two answers, one wh...
Love doing science experiments? Want to impress your friends with your science skills and look good? Then you must watch this video.
This four part Fruity Loops tutorial shows you how to compose a cool hip hop beat from scratch. Learn how to produce a hip hop beat starting with the drums, then adding melody, then strings, and finally the layout all within FL Studio 7. If you want to produce your own hip hop music, this FL Studio tutorial is a good example to learn from.
This small but very powerful electrolyzer produces gas that increases the fuel mileage of your car. The elctrolyzer runs on baking soda (4 volts/cell) and produces hydrogen. Electrolyzers in general are machines that uses a direct electric current to drive a chemical reaction that would otherwise not occur on its own.
It's not the bacteria itself that takes lives and limbs during invasive flesh-eating bacteria infections. It's the toxins secreted by the group A Streptococcus bacteria invading the body that causes the most damage.
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...
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 ...
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...
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...
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...
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 ...
Richpin demonstrates how to test an alternator with a standard multimeter. First make sure that the vehicle's battery is fully charged. Take the negative lead of the multimeter and put it on the negative post of the battery. Place the positive lead of the meter on the positive lead of the battery. Set the meter to DC voltage using the 20 scale and read the display to ensure the battery is fully charged. Next start up the vehicle and see what the alternator is producing. The display should now...
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 ...
Food, water, and shelter—that’s all butterflies and birds need to consider your backyard a home. And the great thing is that what attracts them will beautify your yard as well!
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.
The term "Thermite" refers to the mixture of aluminum and ferric oxide used in this experiment. It is sold commercially and is used for such applications as railroad welding and incendiary bombs.
You knew it was only a matter of time. China is now producing the iClone, a phone which looks very similar to the famous iPhone. The bonus with this phone is that you have the ability to install Java, and run Java based applications on the device. This tutorial shows you how to download and install Java on your new China phone.
When it comes to Valentine's Day, undoubtedly the Hallmark Holiday extraordinaire of the year, pink and red-hued cards are in plentiful stock at all major retailers. But rather than buy a mass-produced card, why not show a bit more love for your, well, love, by making your own card?
This tutorial goes over the Canon manual lenses that are produced with film cameras in mind, but you can buy an adapter to fit them to your digital cameras. This tutorial shows you how to use these FD lenses, and why you would want to.
You can have an infinitely regenerating cobblestone factory in MineCraft! You will need two buckets of lava, four buckets of water and eighty four blocks of dirt to make this factory that will then start producing unlimited cobblestones for you.
Interested in using the Google TV Ads SpotMixer tool to produce your television commercial? It's easy. And this official video guide from the folks at Google AdWords presents a complete guide. For all of the relevant details, and to get started using SpotMixer to create your own custom TV spots, watch this clip.
Calf drops are simple exercises that produce big results. Calf drops involve standing up on your toes on an elevated plank, shifting your weight to one foot, and then lowering yourself down.
It's quite unfortunate, but most of us don't possess a french fry press at home (you know, the big clamping machine with square cut shapes on the bottom to produce perfectly cut french fries at fast food joints).
How does taking photographs outside differ from taking photos inside? Well, unlike indoor photography, which boast easily adjustable artificial lighting and lighting effects, with outdoor photography the light you get is the light you use.
The White Queen is played by Anne Hathaway in the new Tim Burton produced "Alice in Wonderland". This look is ethereal and innocent, but also strong and sad.
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.
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.
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!
Take a look at this instructional video and learn how to reduce quality on audio tracks to make it sound as if it's coming from a phone.
Each year an apple tree should produce three things: new growth, fruit buds on last year's and older growth, and fruit on those fruit buds formed in previous years. In order to keep an apple tree in balance and fruiting, one must prune. However, pruning is often done poorly. In this, the first installment of his series on practical apple tree pruning, Stephen Hayes of Fruitwise Heritage Apples looks at the general structure of the apple tree.
A new feature of iMovie HD 6 is themes. Themes allow you to add professionally produced scenes that incorporate your video, photos, and text.
In iPhoto, you'll use album to organize and arrange your photos the way you want, kind of like a playlist in iTunes. You can also use albums to publish webpages, create slideshows, and produce photobooks, calendars, and greeting cards.
When your edit is complete, or locked, the next step is to fine tune your audio. Adjust the audio levels of your clips to produce a balanced sound mix. In Final Cut Express, you can control audio levels in the timeline and the viewer. You can even add keyframes to make level changes over time.
There are many variations on the chain stitch used in hand embroidery. Here's one that produces a "realistic-looking" chain, with a small link between each of the loops in the chain stitch. It's called the cable chain stitch. Watch this video from Needle 'n Thread to see how it's done.
This two part video answers the following questions: What is vibrato?
Become the master of Heads and Tails. With this secret technique you can predict and even produce any outcome you like. This is the secret that will let you win heads or tails any time.
Everything you need to know about checking a person's blood pressure. Be sure to warn the patient about inflation and deflation. Make sure they remain sitting for 3 minutes. Great details for special need patients like diabetics. This very detailed video is well produced and great picture quality. Be warned, the video is 44 megs in size.
Is it your life goal to direct and produce a science fiction saga so tremendous and fantastic that people will be saying, "George Lucas who?" after they witness it? Then you need to begin your journey to geek stardom by learning the basics.
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.