How To: Make thermite
Watch to learn how to make thermite, a compound used to weld railroad tracks together, out of magnesium, iron oxide, and aluminum powder,
Watch to learn how to make thermite, a compound used to weld railroad tracks together, out of magnesium, iron oxide, and aluminum powder,
We've worked hard to reduce the flow of toxic chemicals into our waterways, which means no more DDT and other bad actors to pollute or destroy wildlife and our health. But one observation has been plaguing scientists for decades: Why are large quantities of one toxic chemical still found in the world's oceans?
In the ongoing search to find better ways to use antibiotics, an extract made from maple syrup has some surprisingly important medical benefits.
A rose by any other name may smell as sweet, but one annoying invasive weed may hold the answer to treating the superbug MRSA. Researchers from Emory University have found that the red berries of the Brazilian peppertree contain a compound that turns off a gene vital to the drug-resistance process.
In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to work with stereoisomers, enantiomers, diastereomers, constitutional isomers and meso compounds in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.
In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to determine the empircal and molecular formulas of a substance given percent composition. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.
Have a Playstation game, or any other disc, that just won't play? In this how-to video, you'll learn how to repair damaged and scratched optical media (e.g., DVDs & CDs) using sandpaper and rubbing compound. Check it out.
This instructional painting video demonstrates how to prep and paint a room. First, go through the room and spackle any holes or dents in the wall. Sand it down after the joint compound dries. Paint the ceilings first. Follow these step by step instructions to paint a room; trim, window sills and all.
Take a look at how to successfully repair a hole in a drywall. This video how to video demonstrates how to use a utility knife and a drywall compound to seal it all up. You wont have to call a repair guy to patch any holes in your walls.
This is a tutorial video about compound circles (aka flowers) and freedom of expression. Hopefully you'll get some great tips on new ways to move your arms in conjunction with your poi. There is a quirky intro you may want to skip to get right to the instructional.
Chris Giorni, Mr. Science with Tree Frog Treks, demonstrates how to make simulated frog skin. To make the simulated frog skin, you will need glue, water, borax laundry powder and food coloring. First, add a pinch of the powdered borax to water and dye it green using the food coloring. Next, water down the glue and place it on a plate. Add the borax solution to the plate. Mix the compound with your fingers. It will quickly form a long chain polymer or sticky frog skin. Frogs breathe through th...
Natural remedies used through the ages abound, especially in Asian medicine. The willow-leaved justicia plant, found throughout Southeast Asia, has traditionally been used to treat arthritis, but scientists have just discovered it contains an anti-HIVcompound more potent than AZT. AZT was the first drug approved to treat HIV, and is still used in HIV combination therapy today.
Chemguy AKA Rob reviews the various diagrams in organic chemistry. This is a 16 part series from this Canadian high school Chemistry teacher.
Watch this video and learn how to make the ultimate roasted chicken. The secret is a lemon, garlic and herb compound butter under the skin.
A gold-medal winning entry into the iGEM synthetic biology competition could change the way we look at Esherichia coli, the bacteria better known as E. coli.
How to patch a hole in drywall / plasterboard / Sheetrock. Everyone at some stage in their life will need to patch a hole in drywall / plasterboard / sheetrock. Instead of doing some dodgy patchwork, watch this video to see how simple the job is. The steps are as follow in point form. This method is particularly suitable for holes that are larger than about 100mm or 4 inch's in size.
In this video, we learn how to easily balance a chemical equation. In a balanced equation, there should be the same number of atoms on both sides of it. There are no rules that explain how you get a balanced reaction from expression. First, start on the molecule or compound that is the most atomically complex. After you look at this, you can learn how to make the rest of the equation equal to each side. This is a complex process that you must walk through to figure out, but it will result in ...
Learn how to balance chemical equations with MyTutorBuddy. Learn about this in this video tutorial. There are four easy steps to do this. Step #1 – place 1 by the most complex compound. Step #2 – balance anything that is not an element. Step #3 – balance the elements. Step #4 – multiply by the lowest common multiple. The 4th step doesn’t always come in to play. The video demonstrates with an equation: C3H8 + O2 -> H2O + CO2. But, this equation is not balanced. Using the 1st three steps, the v...
Let's talk for a second about compound butter. No, scratch that, let's not. Because compound butters are too much work. You have to shape them and roll them and tie them and cut them... no thank you.
We've all been there: you're staring at a fantastic-looking salad or sandwich full of your favorite ingredients. You take a bite, and you taste only one thing—raw onion. A glass of water, a toothbrush, and an hour later, and your breath still tastes like only one thing—raw onion.
In this tutorial, we learn how to repair cracks and holes in drywall with Lowe's. Drywall can be damaged in a number of ways, but can be fixed easily. If you have a medium size hole in the wall, first place caulking on it and then smooth it out. If you have a larger area, you will need to use a sanding strip around it to smooth out the area and all around it. Use drywall compound to fill in the area that is empty. Then, smooth over it with a flat tool then paint over it with the same color pa...
This After Effects user's guide takes you from nothing to a finished broadcast slate in 24 minutes? Yes. Along the way, you'll learn about compound blur, shape layers, repeaters and more. Sounds like fun right? Then come on down! Whether you're new to Adobe's popular motion graphics and compositing software or a seasoned video professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For m...
This video is about Annual percentage Rate(APR) and the Effective APR rate.The video begins with an example of a credit card which has a APR rate of 22.9% and daily periodic rate of 0.06274%.You can get the APR rate by multiplying the daily peiodic rate with 365, which in this case will be 0.06274*365 which is equal to 22.9.If you convert the daily periodic rate into decimal values , it will be 0.006274.So for example, if you have 1 dollar in your balance on day 1, on day 2 you will owe 1.000...
Check out this walkthrough of Killzone 2 : Take Visari's compound and eliminate General Radec. Machinima.com presents their video game cheat series: Killzone 2 Walkthrus. Machinima.com is the premier online entertainment network showing trailers, gameplay, montages & original series created in video games. This is their walkthrough / walkthru of hit game Killzone 2.
Some bacteria can already do it—generate electric current, that is—and those microbes are called "electrogenic." Now, thanks to the work of a research group from the University of California, Santa Barbara, we know how to easily turn non-electrogenic bacteria into electricity producers.
The summer sun can wreck havoc on your automobile. Use this tutorial to keep your paint job shiny and your interior bright in the scorching summer sun.
If you've lived in your house for a number of years, chances are you got yourself a drywall patch, which when sanded, will create a lot of dust in the room. Watch this video tutorial from home improvement expert Danny Lipford to see how to sand a drywall patch with a wet sponge to prevent dust.
In this video, we learn how to strop on a stropping block. There are two layers to the strop and they measure different lengths. On the bottom you should put two mouse pads to make sure it stays put. Now, charge the strop with a stropping compound and rubbing it against the grain until it flakes off. Next, gauge the angle of your knife and place the blade against the strop. Push against the edge of the blade and work from the top to the bottom in a long and slow arch. This is all there is to ...
In this tutorial, we learn how to build a gaming PC at home. First, grab your processor and place it into the socket of the motherboard. Lock it into place, then apply compound on top, rubbing it in evenly. Next, install the heat sensor, which will keep the processor cool. after this, install the RAM into the correct slots. After this, insert the motherboard inside the case, matching it to the slots in the case. Use a screwdriver to screw it in, then install the cases. Install the hard drive,...
In this tutorial, we learn how to hang drywall in your own home. Hanging your own drywall will save you a lot of money, but it takes a lot of time. You will first need to start on the ceiling and then secure the drywall with screws. You will have to use a saw to make boxes for electrical boxes. When finished hanging the walls, you will need to apply compound to the walls and then paint over it when you are finished. Hanging your own drywall can save you tens of thousands of dollars over profe...
In this how to video, you will learn how to clean your plastic headlights. This is important if you cannot afford to replace the headlights of your classic or semi-classic car. Toothpaste works great as a rubbing compound to fix this. First, take a rag and rub the toothpaste into the headlights. Next, take the paste off with another rag. Use some water to aid you in this. Now, your once clouded lens will be fairly clear. You can then move on to the other side to finish the whole car. This vid...
Multi-Step inequalities are inequalities which take more than one step in solving them. You need to follow a step by step approach in solving these kind of problems. Through there is no general method to solve them you can follow a set of guidelines. First thing you have to do is make sure that only x terms remain on the left hand side of the equation. If there are any other numerical terms add the negative of that term to both the sides of the equation to eliminate it on the left hand side. ...
This is your basis step by step on how to do graffiti on walls - in your house for decoration, of course, not on the streets for vandalism! The best spray paint is made with krypotnite added into the paint. While you will want to paint directly on the surface, you don't want to be exposed to excessive winds or temperature when doing your graffiti, so you may be somewhat at the mercy of mother nature. Start by sketching your design with pencil, making sure that it takes the maximum amount of s...
Some savings plan pays interest 365 days in a year but you make deposit monthly. You can use Excel functions to calculate the maturity value of the of the monthly plan. To do this you have to use the nominal and effect functions before using the future value functions. First enter the know data like the monthly payment, the number of years of payment, the number of days in a year, and the annual percentage rate. First take the nominal rate and calculate the effective rate with the help of eff...
-It is very important that you choose the right counter top. Although granite and marble may look good, they are not kind to the environment because they are mine deep out of the Earth.
Learn how to balance the three different types of chemical equations in simple steps. First take an equation, write down its reactants and products and write down the names of all elements. Now write down how many of each element are present in the equation. Now check which element does not match, in this case the Oxygen doesn't match. Now multiply the element or compound starting at two but now hydrogen doesn't match. Try to match them by multiplying the coefficients but now sulfur doesn't m...
This video teaches the secrets to sharpen a convex wood carving knife in simple steps. First find out how dull your knife is by cutting a paper or shaving hair on you hands. Now take a sand paper attached to a pad and start sharpening the ends by applying less pressure. Now try the sharpness of the knife, it will be better. Now take a double sided strop with sharpening compound and start rubbing the knife edge. After sharpening try the knife again, it should be good enough.
This informational and instructional video is brought to us by Lowe's, a leader in the `do-it-yourself' retail business. In this video, Bill shows you how to properly set and use a Skill miter saw. There are four basic cuts you can do with a miter saw: the cross cut, miter cut, bevel cut, and the compound cut. Experienced and beginner home project do-it-yourself enthusiasts will appreciate the techniques and teachings that Bill provides you within this easy to understand and follow how-to video.
MAKE brings the do-it-yourself mindset to all the technology in your life. Make Magazine celebrates your right to tweak, hack, and bend any technology to your own will. In this tutorial, Robert Bruce Thompson shows you how to make crystal iodine. As Thompson says in the video, crystal iodine is currently a schedule one compound, and in order to buy you have to fill out a lot of paperwork and you'll end up on a DEA list. This tutorial gets you around that, but proceed carefully.
Whether it's broken or just plain ugly, your old faucet can be replaced with a shiny new one in a flash. Learn how to replace a faucet without calling the handyman or the plumber.