In this tutorial, we learn how to test paint for the presence toxic lead. You will first need to make up two solutions. One will need sodium sulfide and water mixed together in a small container. Then, add acidic acid and water into another container. Drop small amounts of the mixtures into containers, then add in the paint to the containers. Watch and see how the reaction of the paint is with the mixture. If you start to see a black reaction occur in the container, you will know that your pa...
In this tutorial, we learn how to get free virus protection with Avira. To do this, first go to Free AV, and download the software. After you install everything, open the program up. Next, you will want to scan your computer for any viruses that may be present already. It may take a while to scan your entire computer, but it will search all of your different files. If something comes up, you can choose how to deal with it and get rid of the virus if you wish. This is also great for any emails...
Most of the new refrigerators that are being sold nowadays have the ability to provide fresh drinking water with the push of a button. This comes in handy for those who want a nice and cold glass of water quickly. In order to provide drinking water, a water filter is installed in order to catch any harmful ingredients that may be inside of the water.
Besides being able to keep food cool and fresh for days, a fridge can also do much more. One feature that many are coming equipped with is an area for drinking water. This makes it easier to get a hold of nice, cool water during a hot summer day. But of course you need a filter to get rid of anything that may be harmful to you or others.
Dr. Jeanne Galloway shows you how to reduce a fever naturally. The primary goal seems to be is to reduce the suffering. This may have a harmful effect because fevers are the body's natural ways to kill off bacterial or viral infections. If you kill off a fever too soon you may prolong the illness. Some tricks to reduce pain include tepid bath that is not too hot or too cold. Putting lavender essential oil or vinegar in the bath it may bring down a fever. Another thing is to hydrate because a ...
The commentator tells viewers they will learn how to make smoke from their fingertips. First you must tear the strip off of a matchbox. Then place the strip in an ashtray, facing upside down. Light the strip on fire and let it burn for a little while. Push the burned strip to one side of the ashtray and there will be a brown-yellow residue left in the bottom of the ashtray. Wipe the residue off with one of your fingers and then proceed to rub your fingers together. Smoke will then come from y...
Here Danny Beales shows you how to quickly clear your Firefox cache and cookies. To clear your Firefox cache, do the following: Go to Tools Clear Private Data Select which data you would like to have cleared, and click on Clear Private Data. Your cookies and/or cache has been cleared. Remember to do this from time to time, because it will help speed up your browser's performance as well as keep harmful cookies from tracking your browsing.
Roy Masters demonstrates the hypnotic process behind effortlessly quitting smoking. He explains that if one can meditate and come to a conscious level of smoking, one can realize the harmful effects of smoking. One technique he employs is having a person take a puff on a cigarette but keep the smoke in their mouth. Becoming conscious of the fact that the smoke is poisonous makes it much harder to breathe in the smoke. By practicing this technique, one can effectively quit smoking.
Hummingbirds are just as pretty as flowers—and a lot more interesting to watch. Here’s how to bring these tiny miracles within view.
No water should be considered safe unless it is treated. Please take all precautions before drinking water you find in creeks and streams. Even water that looks safe may contain harmful bacteria and viruses. Learn how to recognize water that is safe to drink.
If you're trying to be a pacifist or a good soul in Deus Ex: Human Revolution, check out this guide on how to save Malik without killing anyone. It will really help if you have the Cloak 3 augmentation for the added chemical resistance.
Make a flexible aluminum electroluminescent display using aluminum foil, EL phosphors and a simple electrolytic etching bath. This video shows the chemical process behind etching foil in an electrolytic bath, and develops it into a practical application for it by creating an electroluminescent caution display.
In this tutorial, learn all about the difference between breads at supposedly healthy sandwich shop, Subway. Did you know that the new 9 grain bread actually has the same nutritional value as the plain white bread they offer? Find out what scary chemicals are hiding inside your lunch with this clip from Food Facts TV.
Do you feed your kids the yellow box lunch? Sure, it's easier than making a sandwich from scratch - but what's easy is usually not healthy. Check out this clip and learn all about the dangers lurking inside the iconic yellow box. Lunchables are full of chemicals, fats, sodium and calories.. watch this Food Facts clip and keep your family healthy.
A lot of commonly used household items are actually poison for your furry friends. In this clip, learn all about which items can pose a danger for your dog or cat. It's not only chemicals that are bad for your pets, innocent seeming items like fruit, veggies, chicken bones, chocolate, human medications and many other hidden dangers exist as well.
Can you recharge non-rechargeable alkaline batteries? Yes you can! Gary Cutlack from techdigest.tv risks chemical burns to demonstrate.
No, we're not lying. But before you try and tear a plain old penny in half, you should probably watch this video first or you may hurt your fingers. While ordinary pennies are very, very difficult to rip, if you get rid of the zinc core you are left with only the thin copper shell, which is itself very easy to tear apart.
Wired Science teaches you the science behind glow sticks by showing you how you can make your own with chemicals that you can obtain.
You've seen them at Disneyland's Fantasia. And in big budget movies like "Waterworld" and "Lord of the Rings." Spectacular, glowing fire effects that seem to ripple with the wind are a staple of action movies, and though it may seem like you need a super good video editing team to create such light shows, all you really need is some household chemicals.
By connecting the dots between theory and real-life effect, two new studies offer more proof that neonicotinoid insecticides are causing extensive damage to honeybee colonies.
While at work, you notice your gloves changing color, and you know immediately that you've come in contact with dangerous chemicals. Bandages on a patient signal the presence of unseen, drug-resistant microbes. These are ideas that might have once seemed futuristic but are becoming a reality as researchers move forward with technology to use living bacteria in cloth to detect pathogens, pollutants, and particulates that endanger our lives.
When we were kids, Saint Patrick's Day was a green-hued holiday that promised green eggs in the morning and green mashed potatoes in the evening... along with some traditional corned beef and cabbage, of course.
In this tutorial, we learn how to make a chemical indicator from kitchen items. First, make an indicator by grabbing some red cabbage and some vodka. Now, heat up some water until it's boiling, then place a smaller beaker inside the water with vodka inside of it. Place the red cabbage inside of the smaller beaker, then stir it up and let sit for 10 minutes. A lot of the color will come out with the cabbage being inside of the alcohol. After this, pour this into a storage bottle and pour the w...
This experiment is intended to introduce students to hydrated compounds. These compounds have water molecules coordinated in their chemical structures. Examples CuSO4*5H2O, BaCl2*2H2O, and NaC2H3O2*3H2O.
Hydrazine sulfate has many uses, but most notably, it's been used under the trade name of Sehydrin, a treatment for anorexia, cachexia and some even think cancer. But for we DIY chemists, it's useful for something entirely different— as a substitute for the more dangerous pure liquid hydrazine in chemical reactions. NurdRage shows you how to make it via some hypochlorite and the Ketazine process.
It's a stormy winter night, and you're electricity goes out. You could grab some candles to add a little light to your life, or you could use glow-in-the-dark chemicals for a cool luminescent.
There's a few reasons why you might want to purify chemicals by recrystallization, but the best one could be luminescence glow-in-the-dark dust.
Make a reusable glow stick, glow-in-the-dark-style! Imagine, you'll never have to buy one of those ChemLite's again, because you can reuse this homemade glow stick over and over again. This video tutorial will show you how to make a permanent, reusable glow stick. The materials in this experiment are simple: epoxy resin, straw, and some phosphor powder.
Did you know that willow bark contains salicin, a similiar chemical to aspirin? If you have a headache on your next outdoors adventure, find the remedy in nature! Learn some mountain man tricks for quick pain relief in the wild.
Use sawdust to draw the stains out of carpet, floormats, etc. It saves energy since you don't have to wash towels and will be thrown away anyway. This is a quick housekeeping trick that leaves your floors clean and does not hurt the environment. Make sure you properly dispose of chemical and oil waste.
Steampunk, a vintage Victorian mechanical style, is one of the hottest design trends to date since faux bois. Get in on the trend while creating many hours of fun for yourself and friends by making this awesome steampunk style chess set. This chess set is comprised of various pieces of hardware, a found table, and common household chemicals.
Burns come in different types (thermal, chemical, electrical and radiation), levels (partial and full) and degrees of severity (first, second and third). Watch this U.S. Navy video to learn how to manage and initially treat burn casualties.
Turn pennies from copper to silver then to gold with a few household chemicals.
Make a crystal LED light from the chemicals in a cold compress that runs on USB power.
Plants all around us capture sunlight every day and convert it to energy, making them a model of solar energy production. And while the energy they make may serve the needs of a plant, the process isn't efficient enough to generate power on a larger scale. So, scientists from the University of California found a way to treat bacteria with chemicals that turned them into photosynthesis machines, capable of generating products we can convert into food, fuels, and plastics.
Editor's Note: The claims by Vani Hari which were originally detailed in the article below about azodicarbonamide were unscientific in nature. This article has been updated to reflect that and provide more scientific context on the issue.
In this home-science how-to, we learn how to synthesize copper hydroxide Cu(OH)2 using copper metal and the electro-chemical approach. For detailed, step-by-step instructions, and to get started making your own copper hydroxide, watch this video guide form YouTube user sciencoking.
Is your microwave full of food and sauce spatter? You can easily remove all sorts of food detritus without using harsh or potentially toxic chemicals - all you need is to microwave a lemon in some water for a few minutes. Cleans easily, and your microwave smells fantastic!
One of the most famous miracles of Jesus is turning water into wine. This process is not easy for the mortal to perform, but it is possible using modern chemistry. Watch this video to learn how to perform a water into wine magic trick with powerful acids which you MUST be careful handling.
Killing bugs used to be the domain of fancy chemicals that, it turns out, hurt us as much or more than the bugs. If you have a flying pest problem and need a green way to control it, watch this video to learn how to make a DIY wind tunnel trap for your insect nemeses.
