From "Butterscotch" tutorial Michael Callahan walks you through updating your driver for Windows 7 operating system. This will help to improve communication between your printer, scanner, or any other devices digitally connected to your Personal Computer. Simply by going through the "start" menu you can then search and find out if there is new drivers for your devices. After that it will tell you and assist you downloading the new driver. Leaving you with the best driver software for your dev...
Insecticides are widespread products which are used daily in our lives. Organophosphorus is the main compound in these products and has toxic effects on our health that may be fatal in some cases.
Here's a cool video! By combining two readily accessible liquids, you can make yourself a cool bouncey ball. This how-teaches kids about polymers, chemicals. You'll also learn in this video how to make glow in the dark goo. Just what the world needs!
Nitrogen Triiodide is a very powerful contact explosive, but like most fun chemicals is not readily available to the general public cheaply. If you want some and have some chemistry skills, watch this video to learn how to make Nitrogen Triiodide at home out of household ammonia and water purification iodine crystals.
Cockroaches are one of the most durable and and irritating forms of life on Earth. Many turn to toxic chemicals to get rid of them, but that's not very green is it? This video will give you some eco-friendly tips for preventing infestations, trapping insects, and disposing of them once you've caught them. Yes, cockroaches are part of nature. No, that doesn't mean we're not going to kill them.
If you're out in the wilderness with only one or two other people, it's easy to get separated. Even worse, if you planned for the trip to be "all natural" and decided not to bring any electronic gadgets like TVs and cells phones, then there are no lines of communication between you and your buddies.
Learn how to rid your backyard of annoying bugs without exposing your family to chemicals and toxins.
In this video, Bre Pettis from MAKE magazine will show you how to make a tabletop biosphere. You need a jar, aquatic plants, shrimp, amphipods, dechlorination chemicals, and chicled salt.
In this video, we learn how to follow three rules to balance chemical equations. The first rule is that you need to start by balancing elements that appear in only one reactant and one product. The second rule is that you need to multiply through by common factors. You must retain equal numbers of atoms of each element on both sides of the equation. The third rule is: if an atom appear in elemental form on one side of the equation, save it for last. Going over the rules of how the balance the...
Figuring out what was causing your old car battery to drain power was easy, but on modern cars it's more complicated due to their large number of electrical devices. In this video you'll learn how to find out what's draining the battery on your new car and fix it.
This video tutorial is in the Education category which will show you how to understand chemistry and chemical change. The question here is 10g of Mg ribbon reacts with 0.15 mol decimeter cubed of hydrochloric acid at 25 degree Celsius. What is the balanced equation for this reaction? When magnesium reacts with hydrochloric acid, you will get magnesium chloride and hydrogen. So, the equation will be Mg + 2HCl = MgCl2 + H2. Mg is in group 2 of periodic table and has a valance of 2, whereas Cl i...
You've worked hard to get your garden in shape— the tilling, the planting, the watering, so when pests and weeds threaten your garden, you'll want to take action. But if you don't want to use chemicals, there are effective organic alternatives. Lowe's has the advice you need for keeping those unwanted enemies out.
In this video, we learn how to play "I Don't Love You" by My Chemical Romance. The basic chords of this song are: C, C suspended, C7, A minor, G suspended, and many others. Once you learn how to do the basic chords in each of the different verses of the song, you will be able to star to play in one fluid song. The fret of the song is tricky to play, so this may take some getting used to. Once you have these figured out, start to add in the lyrics as you go between the different verses. When f...
In this how to video, you will learn about Chemiluminescence and the oxidation of Luminol. The first solution is Luminol and NaOH. The second is K3 and H202. Luminol is used to detect blood in crime scenes. It reacts with Iron in Hemoglobin. As you can see in the example, it illuminates the chemicals in the dark. This is why it is very useful for crime scenes. It can be used even if the blood is not visible with day light. Thus, it is an invaluable chemical in the name of science and justice....
How were you supposed to know your computer can't swim? Isn't it called a laptop? You will need paper towels or lint-free cloth, cotton swabs, a towel, lots of luck, and professional help. Warning: liquids and electricity don't mix. Please make sure your hardware and all points of electrical contact are completely dry before plugging them in.
Don't call a pricey plumber! Anyone with a few tools can unclog a drain -- without even resorting to those strong, toxic chemicals. Most of the time, anyway. You will need baking soda, vinegar, rubber gloves, cleaning rags or duct tape, a rubber plunger, a plumber's snake, petroleum jelly, a bucket or pan, and a length of hose. WARNING: Do not try this if you have already used a commercial drain opener, as it can create harmful fumes.
If you're an electrical engineer, you needn't worry about this educational video, but if you aren't...
This video introduces the formulae for watts in an electric circuit, P=IxE, P=I^R, and P=E^/R. It also explains how P=I^R and P=E^/R are algebraically derived from P=IxE and Ohm's Law.
The day has finally arrived — Samsung has unveiled the Galaxy S9 and S9+. Apart from minor upgrades, the two might not appear to be much different from last year's S8 and S8+, but that's not necessarily a bad thing. One feature that hasn't changed is the Galaxy's IP68 water-resistance rating. That's a great score, but it begs the question — what does that number really mean?
Welcome back, my rookie hackers! "How can I travel and communicate over the Internet without being tracked or spied on by anyone?" It's a question many Null Byteans have asked me, so I have decided to write a comprehensive article addressing this issue.
There's no need to pay for a pricey electrician for a light switch problem— you can try to fix it yourself. This video from This Old House explains how three-way switches work and shows tips for finding and replacing faulty three-way switches in your home. First, you need to understand the difference between the hot and neutral wire, the ground wire, and the traveler.
If you're working on a LLV postal truck, this video will show you how to determine if you've got a bad fuel pump or not. It's a quick diagnosis trick to determining if there's an electrical problem with the fuel pump, and first you need to take out the ECMB fuse, plug a jumper wire where it was, use a multimeter and labscope to see what's going on. The United States Postal Service (USPS) uses these trucks for all their postal deliveries, and if you're the mechanic working on it, this and the ...
Learn how to wrap a short electrical cord. Treat your power cords right, and make them last longer, by learning how to store them correctly.
Watch this science video tutorial from Nurd Rage on how to make a chemiluminescent reaction with home chemicals. Make a chemiluminescent singlet oxygen red light pulse from two simple chemicals almost anyone can buy: pool chlorine and hydrogen peroxide.
This U.S. Army video gives instructions on how to treat dry chemical burns on the battle field. Treat dry chemical burns.
Mimesys, whose core focus has always been about creating holographic representations of humans for virtual and augmented reality, has released a video showing off their holographic communication platform in action. This new communication tool uses a combination of virtual reality, with the HTC Vive and a Kinect, and mixed reality, with the HoloLens, to allow the users to have virtual meetings from anywhere in the world as though they are in the same room.
Kipkay shows you how to increase the range of your remote control for your television. You use electrical tape to make sure that the leads do not come into contact with the reflector.
This video will show you how to install a replacement side rear-view mirror on a 2002-2008 Dodge Ram truck. For this auto repair, you will use a T40 Torx driver, a Phillips screwdriver, a flat blade screwdriver and a 10mm wrench. This video also contains instructions for the electrical hook-ups to control the mirror.
You don't need to buy an expensive ring light, you can make your own at home. You'll need a sheet of sturdy plywood, a pencil, some string, a dimmer switch, the light bulb sockets, some electrical wire, a drill and some hardware.
If you've ever seen Goldfinger you've probably wondered when we're going to get access to lasers that could cut a man in half. This might be it. Watch on to learn how you can, with some electrical engineering skills, make a DIY blue death ray laser gun that will cut through all kinds of stuff. No word on whether it works on British secret agents.
This video tutorial will show you how to wire automatic sprinkler valves for the health of your green grass lawn. Attach wire to the sprinkler valves and run it to the automatic sprinkler timer. That's it. You don't need to be an electrician or a plumber to accomplish this sprinkler step. Just get some wire strippers and do your own electrical work.
This is a video tutorial in the Education category where you are going to learn how to use and understand chemical equilibrium in Chemistry. This video answers a question about the contact process. This is a process by which sulphuric acid is made where they take sulphur, react it with oxygen to make sulphur dioxide and react it with more oxygen to make sulphur trioxide. The equation here is 2SO2 + O2 will give us 2SO3. This reaction is exothermic, that means it will give out energy in the fo...
The United States Postal Service (USPS) use what's called a Grumman Long Life Vehicle, or LLV, for their postal trucks. This video will show you how to troubleshoot the dash gauges in an LLV that are acting crazy. If you;re a mechanic and you have the same sort of electrical problem with the gauges when using turn signals or hazards, this video will help you find the solution, which could involve the parking brake.
If you use Windex or any other window cleaning product, you may be exposing yourself, or others, to harmful chemicals. Many cleaning products that are sold in supermarkets, contain harmful chemicals that are not good and certainly not good for the environment.
You may or may not know, but much of the cleaning products that are used today can be harmful to you, kids, or even pets. They contain a great assortment of chemicals that can cause serious illness or death. So why risk buying thse products when you can make them yourself?
In order to make fake blood, for special effects or for Halloween, you will need the following: Potassium Thiocyanate (KSCN), Iron (III) Chloride (FeCL3), which is also known as ferric chloride or may substitute Iron Nitrate (Ferric Nitrate). You will also need water or dihydrogen monoxide.
If you're experiencing a problem with your washer and it won't start or run, there may be an electrical problem that needs to be fixed or it may be your machine. Before you head to your phone book looking for a professional, check out this tutorial.
If you're interested in replacing your existing outdoor outlet and cover because of cosmetic reasons or safety reasons, this tutorial should help.
Warning! When dealing with electrical wires, makes sure you always turn off the power before you do anything. There is no room for error since you can become severely injured in the process.
