If you have encountered bed bugs lately, you are not alone. While the pesticides used to fight these pests are losing effectiveness, a fungus shows promise in knocking the bugs out of beds everywhere.
Though you may scrub every inch of your kitchen, there are plenty of trouble areas that are nearly impossible to get clean: gunked-up tile grout, rust in the sink, and caked-on burners and grates on the stove. As far as burners and grates go, you're in luck, because there's a simple solution to returning even the grossest ones back to their original shine. The Key Is Ammonia
Most of you probably spread ketchup all over hamburgers and fries. Some of you may even drink it straight. But did you know that tame (and slightly addictive) condiment in your fridge is also a powerful cleaning agent?
RFID cards are becoming a fairly common way to purchase goods, but they're already widely used to pay fares on buses, trains, subways, and trolleys across various cities. TAP cards are quick and reliable, but it can be a real pain to remember to bring them with you, especially if you weren't planning on using public transportation that day. Luckily, an intrepid tinkerer at Adafruit has managed to find a way to embed an RFID card into her phone, something you're far less likely to leave at home.
Chlorine gas is a very useful oxidant, which was first introduced as a toxic weapon by the German Army. Even today, it's still used as a weapon, most recently in the Iraq War by insurgents. But chlorine gas has more useful (and less lethal) applications, and if you want to learn how to make some at home, NurdRage has the answers.
We all know what elephant toothpaste is, but what's the best way to make this massive growing foam? Dr. Lithium from NurdRage has answers. He'll show you the best way to reproduce this chemical reaction to get the best foaming action! This is a classic science class demonstration.
Dermatologists and aestheticians looking to make a quick buck (or several hundred of them) will tell you that the best facial exoliation and brightening treatments can only be done via the doctor's office with specialty (read: pricey) enzymes, but the truth is that for short term skin bliss, you already have all the tools you need in your kitchen.
If you want to know the best way to get an accurate pH measurement, this shows the lab equipment needed and the processes used. When doing chemical reactions, sometimes the acidity or the basicity is important. This is usually defined as pH and measuring it can be very useful for getting the reaction right. There are a few ways to measure pH, and the simplest, cheapest, most reliable method is paper. But that's not all. See a whole lot of ways in this two-part video.
Suzy Cohen tells us in this video how to lower our blood pressure naturally. Believe it or not, the urinary tract is connected with our blood pressure. A dietary supplement called "Asparagus extract" is recommended. Asparagus in vegetable form is delicious when served with a little butter or feta cheese. When you take it as a supplement, you get a bigger dose. It is a wonderful diuretic, which means it makes you pee a lot. You should take it in the morning, so that you do not find yourself ru...
This video speaks to everyone who has ever bought anything online, or in fact, anyone who has ever bought anything period. How do you know what you're getting is genuine? Is it a fake product? Is it stolen goods? Is it impure?
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
Watch this science video tutorial from Nurd Rage on how to make a 100 foot glow stick with Dr. Lithium.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
C For Chemistry delves into the chemistry of science experiments. This chemist knows what he's talking about. These chemistry experiments are not only fun, but very educational for all of those interested in scientific chemical reactions and properties.
Michelle Phan presents this tutorial on how to take a tomato and turn it into an invigorating scrub.
Watch this science video tutorial from Nurd Rage on how to get lithium metal from an Energizer battery. They show you how to get Lithium Metal from an Energizer Ultimate Lithium battery.
Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials.
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.
John Leeke demonstrates using steam to remove heavy paint build up from wood surfaces in this five minute video. Steam paint removal softens the paint film so it can be more easily scraped away. It works well with the heavy paint buildup commonly found on the exterior of older buildings during house restoration and historic preservation projects.
Are your plants dying? Are they in dire need of some fertilizer? Is your compost not cutting it anymore? Well, save your garden plants with this recipe for nitrogen rich manure tea fertilizer. It's a really easy all natural fertilizer anyone can make. You can collect manure in your pasture or buy it by the bag at a garden center. You can also reuse the manure over and over again. Keep chemicals out of your garden and go green!
First of all the tutor advises that this is a good idea to do it regularly. It is advisable to drain it out otherwise it shall stop the boiler from working. Before starting your work you have to switch off your boiler. Now allow the water to cool down because it is very hot. First find out the radiator and the drain valve attached to it. Now take a hose pipe which is long enough to drain the water from the radiator to your backyard. Slide the pipe over the inlet and then secure it the link. S...
In this video, a man answer questions sent in by viewers, about various plants. First he covers how to braid a ficus tree trunk. To do that you must grow the trees close together, then trim off the bottom limbs, and braid the trunks. Next he talks about growing miniature roses indoors. Miniature roses must be carefully watches for mold, insects, and over-exposure to sunlight when grown indoors. Then he answers a question about carnivorous plants. He covers the Venus fly trap, and demonstrates...
Identify pinion needle scaleWe are going to look at this insect because eggs are being laid. Two year old needles are being cast off. This is a sign of infestation. There is also sparse, open foliage. This tends to be a chronic infestation. The insect is the pinion needle scale. You can see tiny, bean shaped bumps on the 2 year old needles. The insects move to last years new growth and feast on the sap of the needle all summer. You can see egg masses and web on the trunk of the tree. The inse...
Blue corn is a special variety of corn which can be differentiated by the majority of the corn species by looking at the unusual top growth of the corn. It is a hybrid and grows very uniformly throughout. Now take a corn from the field and peel it off. You shall notice that it has a blue color corns. Blue color corns are hard from outside but they are very soft and tender in the middle. You can use these blue corns in making commercial products like blue corn chips, tortillas, and atole ’,‘ c...
There are a variety of substances that you can use to clean your LCD screen. The one thing you don't want to use is anything that has alcohol in it. Alcohol will damage your LCD. Any LCD cleaning liquid will work to safely clean your LCD. It is also good to use a microfiber cloth also so that they don't put any scratches in the screen. You should never use napkins, paper towels, or Kleenex. The primary ingredient in most LCD cleaners is water. The key is that they remove the impurities and ch...
If you don't have room for a full-scale compost heap, you can always employ the services of some worms. In this handy vermiculture how-to, you'll learn how to build your very own wormery.
Smash glow? What the heck is that? That's exactly what you'll find out… watch this science video tutorial from Nurd Rage on how to make smash-glow crystals (triboluminescent crystals) with Dr. Lithium.
Watch this science video tutorial from Nurd Rage on how to make a lithium thionyl chloride battery, which is capable of generating 2.8v with enough current to power a LED.
Watch this science video tutorial from Nurd Rage on how to make silver chloride for a photochemistry test. They show the chemistry of photography using silver chloride that they make themselves from table salt and silver nitrate.
Watch this science video tutorial from Nurd Rage on how to make a mirror silvering solution from silver nitrate, ammonia, sugar, and sodium hydroxide.
Try out this science experiment... watch this video tutorial to learn how to illustrate the scientific concept of conservation of mass. This is purely educational, and not as exciting as some other demonstrations, but this does clearly illustrate the concept of conservation of mass.
Cyanotype, often referred to as sun prints, uses chemicals and UV light to make blue prints. Learn more about cyanotype in this free photography video about how to make cyanotype prints.
If you have very fine, straight hair and have always had a hard trying to keep your strands curled, this video will give you a look into steps you can follow to solve that problem. Before starting on your hair, collect all the necessary tools which include: flat iron, hair clips, Velcro rollers, hair tie, and comb with pointed tip. To start, prepare your hair by adding mousse. Don’t forget to also add a heat resistant chemical to avoid damage and breakage in hair. Then work with the upper t...
The video shows how to effectively be aware and get rid of possible webworms or aphids on your mesquites so they won't get damaged later. Here, John White invited Annete Peterson to show how to do so. She starts by informing from what she saw that many mesquites from her neighborhood have deformed leaves and mainly several of them have stripped branches at the tips of the trees. He explains that one of the problems is a webworm on the leaf of the mesquite, and it eats the leaves of the plant ...
Chemguy AKA Rob reviews the various diagrams in organic chemistry. This is a 16 part series from this Canadian high school Chemistry teacher.
In this tutorial, we learn how to get rid of wasps and hornets without using chemicals. Take a piece of bacon and wrap it around a stick. Then secure that stick by hanging it over a bowl of water with dish soap on it. The bacon will entice the bees to come towards it. Then, the bees will eat so much bacon they will have a hard time flying and they will end up flying down into the bowl of water. Then, the soap will make them be able not to fly and they will drown in the water. This is very eff...
