Cooled Solution Search Results

How To: Clean an LCD screen

Is your computer's LCD screen getting so dirty you can barely make out what you're typing. Use a few household ingredients to keep a clear, sharp image on your LCD screen without clouding or scratching it.

Classic Chemistry: Colorize Colorless Liquids with "Black" Magic, AKA the Iodine Clock Reaction

Want to make boring old colorless water brighten up on command? Well, you can control the color of water with this little magic trick. Actually, it's not really magic, but a classic science experiment known commonly as the iodine clock reaction, which uses the reactions between water and chemicals to instantly colorize water, seemingly by command. You can use different colorless chemicals to produce different colors, and you can even make the color vanish to make the water clear again.

How To: Make a cool quick text effect in After Effects

After Effects contains all manner of cool tools that you can use to create really appealing title effects for your films. This video will show you how to create one quick easy text effect in this powerful software suite by using a camera, null object, 3D text layers, and a particular background, all keyed to the music levels. The result is very cool and sure to impress your audiences.

How To: Solve radical equations with extraneous solutions

From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with radical equations containing invalid or "extraneous" solutions.

How To: Recognize and treat the 5 C's of a fever in children

Dr. Chris Steele guides us through how to find the 5 Cs of a sick child. When you have a child who is running a fever, it's important to remember not to heat up your home and wrap them in a ton of blankets. This is the worst thing you can do because you're increasing the warmth around them, which is going to increase their brain and body temperature. If your child has a fever, remember to cool them. Cool their room, cool a wash cloth to place on them, cool drinks, cool ice cream, and cool bed...

How To: Clean your car windows so they are streak free

In this Autos, Motorcycles & Planes video tutorial you are going to learn how to clean your car windows so they are streak free. You will need ammonia solution and a mixing bottle. Mix one part ammonia with ten parts of water in the mixing bottle. Make sure you take sufficient quantity of ammonia. Then get a spray bottle and pour the solution into it. Get a piece of rag and a micro fiber towel. Spray the window liberally with the solution and wipe with the rag. Now wipe with the micro fiber t...

How To: Make neat "hot ice"

In this video tutorial, viewers learn how to make "hot ice". Begin by adding water into a pan and heat it until it’s simmering, but not boiling. Add the sodium acetate to the water. Keep adding the sodium acetate until the water cannot dissolve it anymore. Stir constantly. Now pour the solution into a glass or container. Do not pour in any undissolved crystals. Place the solution into the refrigerator for 45 minutes. Now pour the solution into a container. The liquid will instantly turn into ...

How To: Use liver of sulfur solution to create a patina

artjewelrymag teaches you how to use a liver of sulfur solution to create a patina. First, be sure to wear protective gloves and eye gear. Be sure to perform this operation in a well-ventilated area because sulfur smells like rotten eggs. To get started, add a few small pieces of liver of sulfur to a small dish of warm water. Use a wooden stick or a small PVC pipe and stir. The temperature and the amount of time you leave the metal in the solution will affect the patina. You can dip the metal...

How To: Solve quadratic inequalities in calculus

Calculus can be a bit tricky, but don't worry, Watch Math is here to help you out. Watch this math video lesson to learn how to solve quadratic inequalities in calculus. There's no better way to learn mathematics than from an advanced mathematician, like this PhD.

How To: Install Talismoon Whisper Max fan upgrade in XBox 360

If you've owned an XBox 360 for very long, chances are you've run into a cooling problem. The stock fans in the console case just aren't powerful enough to cool the processors. This video will show you how to alleviate the cooling problems by installing a Talismoon Whisper Max, a third-party fan upgrade that allow you to cool you XBox at either the default 5 volts or crank it up to 12 volts with a nitro switch when you're playing a 3D game or doing something else that demands a lot of the XBo...

How To: Mod your XBox 360 case

The XBox 360 is expensive and powerful. Does yours not do enough for you, or do you just want to give it a cool new look? Mod it! This three-part video will teach you how to do a pretty intense case mod on an XBox 360 step-by-step, the end result of which is an X-shaped plexiglass window in the side of your XBox. Looks cool, stays cool, all in all, a very cool mod that you should try next time you're feeling bold enough to take a saw to you 360!

How To: Bake and frost petits fours

In this tutorial, we learn how to bake and frost petits fours with Rhonda. The tools you will need for this include: silicone pans, cake mix, cooking spray, cookie sheet, oven at 350 degrees, pourable fondant recipe, wax paper, cooling rack, bowls, how water, candy thermometer, spoons, knives, and forks. First, spray your pans with cooking spray and fill them with the cake mix up to half way. Now, place the silicone pan onto a cookie shit and bake in the oven for around 7 to 8 minutes. Then, ...

How To: Solve a system of equations via the elimination method

Elimination in mathematics is used to find the solution set of a system of equalities. This video tutorial shows how to use elimination to find the solution set of a given equation and offers several examples to illustrate the process. Before applying this method, the equation must be in the form “Ax +By=C.” When graphing a set of mathematical equations that intersect, the answer to the elimination is the point on the graph where the two lines cross.

How To: Use differential equations to solve for velocity

The guy first gives the definition of differential equations. He explains that a differential equation is an equation that contains the derivatives of an unknown function. He then gives some examples of differential equation and explains what the equation's order means. After that he gives an example on how to solve a simple equation. He calculates it and gives examples of graphs. Then he explains what a general solution is and how to narrow down the number of solutions using data from the pr...

How To: Create databases from templates with FileMaker Pro 10

In this Lynda video tutorial, learn how to use FileMaker Pro 10 software to create databases with pre-made templates. FileMaker offers these templates in a package called Starter Solutions. To access these options, click open FileMaker. Then, go to New Database under the File menu. Click the option "Create a database using a Starter Solution." The templates are grouped according to the nature of their use. Some are for the home, while some are for business. All you do is open the template you...

How To: Clean a penny using vinegar and salt

In this video, Do It Your Self Central demonstrates to viewers how to clean a dirty penny by using common household products, namely vinegar and iodized salt. He suggests to put 1/2 cup vinegar and 2 teaspoons of iodized salt into a cup. This solution will be used to clean the penny. He demonstrates the power of the solution by holding the penny into the mixture for a few seconds. After only a short time, he shows the dramatic change between the portion that was dipped in the solution and the...

How To: Make sodium bromate & potassium meta-periodate

This video tutorial is in the Education category which will show you how to make sodium bromate and potassium meta-periodate. This experiment uses toxic chemicals and releases harmful gases. First you have to make a saturated sodium bromide. To this solution then add a small amount of potassium dichromate. The solution now becomes concentrated. Then make the circuit as shown in the video. You need a 3 - 5 ohm resistor in order to reduce the current. Then let the cell run for around 6 hours. S...

How To: Use ninhydrin to reveal latent prints on paper

In this tutorial, we learn how to use ninhydrin to reveal latent prints on paper. This will work out because you will be spraying a special liquid onto the porous area. After this, you will turn on a black light and then be able to see the fingerprints appear in purple! Be careful with the solution, because it's flammable! This will also stain your skin, so make sure you wear gloves and don't let it contact a surface you don't want stained. To mix the solution, you will combine both of the so...