Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Want to test whether the soil sample or a water sample contains boron, watch this video. As shown in the video, the first step is to create test specimens of various concentrations using a simple turmeric and ethanol solution as a base for comparison. The basis of this experiment is the fact that curumin present in turmeric reacts with boron to form a reddish compound and so the result of this reaction can easily be verified visually.
This two part video walks you through the steps of solving a strange chess problem. Don't fret, any question you may have, will be answered. Watching this video will make you help you to solve that ever so difficult chess problem.
A very simple recipe to make an excellent homemade bubble solution! With only three cheap, common household ingredients, make a LOT of this great solution! A good way to save some money. A little bit goes a long way. Thanks, and enjoy!
Watch this science video tutorial from Nurd Rage on how to make a mirror silvering solution from silver nitrate, ammonia, sugar, and sodium hydroxide.
Today in Santa Clara, California, at the Augmented World Expo, Scope AR revealed a major new update that will add markerless tracking for their remote assistance application, Remote AR, on standard devices.
The common thread between this week's Brief Reality stories is that augmented reality is beginning to prove its worth as a technology that improves workflows and processes. From customer service to healthcare to manufacturing, augmented reality is helping companies improve productivity.
If you have an outdoor grill, you know what a pain they can be to clean, let alone disinfect. But there is a little trick to cleaning and disinfecting gas or charcoal grills. Watch this video for the quick solution.
A clogged drain is not only an unpleasant but seems to happen at the most inconvenient time. Good thing there is a simple way to unclog most minor stoppages with a few household products. Be your own plumber and keep those drains free and flowing.
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.
Who needs to watch the new "Iron Man" movie when you can solve linear equations? Brush up on your x's and y'x with this video, which teaches you how to solver a linear equation.
Regular cleaning of your laptop computer is easy, and might save you tons of trouble in the long run. Learn how to clean your laptop with a homemade solution.
Android Nougat has a new API that lets apps create their own custom Quick Settings tiles. A similar feature was buried in Android Marshmallow, but that required a hacky workaround, and most manufacturers disabled it in their custom versions of Android 6.0. But since this is an official API now, all phones that run Android 7.0 and higher should be able to use custom Quick Settings tiles going forward.
We all need to store our rubber stamps somewhere and somehow, in a small amount of space with little effort and at low cost, well this is how I store mine.
Do you like everything about your apartment, except for that unsightly ceiling light fixture? No need to replace it, just cover it up with a DIY drum shade – it will instantly give your room a more sophisticated and personalized look. See how easy it is to make a customized drum shade that will fit any décor, all with inexpensive and easily sourced materials. This is do it yourself lighting on a budget that’s perfect for renters and anyone looking for a quick upgrade to their lighting fixtures.
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.
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.
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...
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 ...
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...
Learn how to make LED ice cubes with this tutorial! Steps:
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.
Jamming out to the newest beats can be a problem if your speakers don't work. I've been having some issues with my iPhone speakers and was looking for some quick fixes when I stumbled upon this quick fix from Saw Tun that uses just a cotton swab.
This free video science lesson from the Home Scientist demonstrates a simple technique for creating a color-changing solution with sodium permanganate, sodium hydroxide and sugar. For all of the relevant details and detailed, step-by-step instructions, as well as to get started trying this experiment yourself, watch this home-science how-to.
Quick releases are one of the most convenient features that you can have on your bike, allowing you to change out your wheels quickly and easily without any additional tools. This video will show you how to use the quick releases on your bike to replace a flat or otherwise damaged tire on the fly, helping you get back to riding without getting your hands dirty.
The Quick Search box on your Android-powered cell phone allows you to search the web and your phone directly from the home screen. It provides suggested results from the internet, even while you still type! Easily search both your phone and the web with the Quick Search box! Google shows you how in this video tip.
Is your computer screen clouding up? Computer screens accumulate dirt and dust quickly causing screens to get foggy. Thanks to How To Make Anything, you can learn to do or fix pretty much anything! In this video, learn how to make a homemade solution to clean that dirty computer screen and make it look like new!
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.
Tired of soldering? Well, there's a solder-less solution to joining pipes together. Check out this handy video tutorial on how to join copper pipe with "Just For Copper" pipe glue. Just For Copper is a solderless bonding solution for copper pipes and fittings. This is very useful in areas where a blowtorch cannot be used.
See how to turn a coin pyramid upside down in three moves. This ten coin trick is as easy as any other coin trick, with a simple solution. Show your friends and see if they can figure out the solution. It just takes three moves and that's it.
Find out how everything in a chemistry lab works, from pipettes to burners to recrystallization to storage. You'll get precise instructions on how to work and perform certain scientific duties in the chem lab, whether it's chemical or just ordinary high school science.
Here's a quick and simple booklet that can be made out of two sheets of paper. It's great paper craft for a school project or just fun. All you need is paper and scissors. Fold both pieces of paper in half hamburger style. Use scissors to cut knotches into your fold. Fold your other piece of paper hotdog style. Follow the rest of the instructions, assemble and you have a quick and simple paper booklet.
Lye can cause chemical burns and the fear of getting burned prevents arts enthusiasts from making homemade soap. Watch this video to learn how to safely make lye solution so you can go ahead and unleash the creative child in you.
This recipe for bubble solution will produce bigger-than-normal bubbles. It's simple and easy to double, triple, quadruple, or however many times you want to multply it.
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...
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...
This was a three flip mobius strip with one surface that yields a loop with 8 twists. It takes 6 lines to flatten it which leads to 7 zones, one less than the number of resulting twists.
Vietnamese Pho is fantastic, but if you don't have a lot of time to actually make it and are looking for a quick alternative, check out this video! You will learn how to make Xanthe Clay, a quick Pho that only takes five minutes to cook and is a great, quick alternative to going out and fast enough for those of you with a busy work schedule!
In this tutorial, you will learn how to make a quick and easy omelet. This omelet is absolutely delicious, makes a perfect breakfast, and because it is so quick to do, it's great in a pinch!
Less than a month after the worldwide launch of HoloLens 2, call center consultant BellSystem24 has already prepared an augmented reality solution for one of its clients.
