Chemical Compounds Search Results

How To: Get rid of indoor gnats

Indoor gnats, which are also known as fungus gnats, are not only annoying. Their larvae feed on plant stems and roots and can cause considerable damage to seedlings and small plants. Luckily, you can get rid of these obnoxious little pests without using harsh chemicals.

How To: Fix a Hole in a Wall. The Proper Way!

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.

How To: Make sodium metal

Learn to make sodium metal with this great video tutorial. Be sure to use latex gloves in the process, as the chemicals can be hazardous. This should not be performed by an inexperienced chemist.

News: Step Aside Penicillin — A Deep Dive into Fungus Genes Reveals Over 1,300 Potential Antibiotics Waiting to Be Discovered

On October 17, 1943, a story in the New York Herald Tribune read "Many laymen — husbands, wives, parents, brothers, sisters, friends — beg Dr. Keefer for penicillin," according to the American Chemical Society. Dr. Chester Keefer of Boston was responsible for rationing the new miracle drug, penicillin.

Forget Baking Soda: This Trick Is Way Better at Deodorizing Stinky Fridges

Smelly foods are what make my culinary world "go 'round," so to speak. I grew up with fish sauce, learned to cook with and love fermented beans and veggies, and am one of the biggest garlic advocates I know... other than my husband, who thankfully shares the same smelly food sensibilities. (Let's put it this way: anyone that can stomach stinky tofu can handle anything I could possibly cook up.)

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 Coffee Mugs Gleam Like New with This Little-Known Cleaner

If you consider yourself a regular coffee, tea, or hot chocolate drinker, you probably have a kitchen cabinet full of stained mugs that refuse to scrub clean. Thankfully, there is a better solution that doesn't involve continuing to fight those stains with a sponge, bleach, and elbow grease. The answer to your coffee or tea stain problems is Cafiza: an awesome espresso machine cleaning product that is popular amongst professional baristas... but also doubles as an extremely effective ceramic ...

How To: Test for boron with curcumin

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.

How To: Repair cracks and holes in drywall with Lowe's

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...

How To: Create a brand ID slate in After Effects CS4 or CS5

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...

How To: Compare the difference of annual percentage rate

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...

How to Beat Killzone 2: Visari Place

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.

How To: Get rid of head lice with Dr. Su Laurent

Head lice can be a nasty, unwelcome visitor in your life. And if you have children, you're likely to be confronted with an infestation sooner or later. Dr. Su Laurent explains that getting rid of head lice can be a tricky undertaking, but the most important thing is to be persistent. You'll need to wash the hair with the latest lice treatment available, as the lice may adapt to chemicals from year to year. It's very important to follow up this treatment at least one more time, seven days late...

How To: Use the Callicrate Bander

Reduce the stress and complications of castration on both farmers and cattle. The Callicrate Bander is a non-surgical and non-chemical way to castrate. This instructional video shows the simple steps for how to castrate livestock with Callicrate Bander, and how to keep the animals healthy and free from tetanus.