You already know how to make sulfuric acid with the metabisulfite and oxidizer method and you saw how to make copper sulfate from copper and sulfuric acid, so now try making sulfuric acid with these two in mind… with sulfuric acid by electrolysis of copper using an inert anode.
Not everything that Facebook does is in the best interest of its users. Just look at past examples such as social ads, facial recognition, and instant personalization. Users were perfectly fine without these, and they still are. And now there's another annoying problem that Facebook users have to deal with—the ticker.
Greasemonkey scripts allow Mozilla Firefox and Google Chrome to be augmented in powerful ways. Take these two Greasemonkey scripts will help add information to your favicons when using Google Calendar and Gmail - now you can see the current date and unread message counts on their respective favicons.
Installing an electrical outlet in your home or apartment may seem like a daunting task, but this simple DIY video from Buildipedia makes it a simple project. Whether your current outlet is broken, or you're just looking to add something new this video will show you how it's done.
The forehand shot is the preferred shot for many tennis players. If you feel like you've reached the limits of your current forehand shot, you should practice up and add some new techniques to it, and this video will help you do just that.
Nail polish is such a fun and quick way to display your mood - or current fashion fascination - with pizazz. But we hate it when, just a day into application, we notice the first few chips and tears and cracks.
Embrace the current retro revival in fashion and design by creating this cool midcentury-chic poster. You can create this psychedelic wavy pattern for a band poster, a movie, or just as a piece of art to hang up on your wall.
Uncover the mysteries of working with JPEG, and TIFF images in Adobe Camera RAW. Warning! This is an advanced demo. Be sure to update to the current version of Photoshop and Bridge before attempting this process on your own. Watch this image editing software tutorial and improve your Camera RAW skills at adjusting jpeg and tiff images.
Here is a technical tutorial from a technical communication class. An oscilloscope is for viewing oscillations, like electrical voltage and current, with cathode-ray tube display. See all about it in this great introduction to the device. Simply, this video tutorial will show you how to use an oscilloscope.
This video will show you how to tether your Samsung Messager 2, (the MetroPCS phone) to your PC to use as a modem for internet access. This will allow you to use your cell phone as your internet connection point, meaning you'll connect to the net for the cost of your cell phone's data plan. You will need your Samsung USB cable, a PC with Windows 2000 or higher, all current drivers for your phone and PC, and you will also need to head here to get the Samsung PC Studio program. This is part 1 o...
In this tutorial, we learn how to dress up your avatar on your Xbox 360 (Xbox 101). This is a great way to express yourself and change it up to match your mood or current obsession! First, go to 'myxbox' on your Xbox live dashboard. After this, select your gamer card and then select customized avatar. From here, go to 'change my clothes' and then choose the clothes that you want for your avatar. After you do this, make sure to save and exit on the main menu. To stand out in the crowd, go to '...
In this video tutorial, viewers learn how to hack the flash game, Age Of War 2. Users will need to download the Cheat Engine program for this process. Begin by starting the game. The game should start with 2500 gold. Then pause the game and open Cheat Engine. Click on the Process computer icon and select the current web browser. Now type "@500" into the Value box and click First Scan. Then deduct your amount of gold, type in the new value and click on Next Scan. There should only be 1 result ...
Starcraft 2, like it's predecessor before it, has a very robust level editor that allows you, the DIY modder, to create nearly any scenario within the bounds of the Starcraft 2 engine that you could imagine. We have compiled videos on how to do all sorts of fun things with it, from making RPG's and Tower Defense games to just making you dream Starcraft 2 level. This video will teach you how to make a hero you've created be revivable after they die by means of items or levels. This is current ...
At the moment, the iPad is officially locked to the AT&T network in the USA. If you would like to use your iPad but do not intend on leaving your current mobile carrier, check out this video.
In a rush to the airport with no luggage tags and have a roll of duct tape lying around? DuctTapeStuff saves the day with this tutorial on how to create luggage tags from duct tape. The second half of this tutorial features a fun, creative way to make your own bookmark for your current read.
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 16th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate liquidity ratios including current ratio, times interest earned and cash Ratio. Also see how current ratio changes when certain trans...
Enjoying the many benefits of Facebook Places? But what if you want to check in somewhere you're not? Your smartphone can automatically detect your geographical location, preventing you from just checking in just anywhere, but like all technology… it's a long way from perfect, even Android mobile devices.
Most of us are well familiar with toons, after sitting in front of the boob tube most of our childhood life, watching cartoons like Mickey Mouse, SpongeBob and even The Simpsons. But for Canadians, as of 1996, "toon" means something entirely different.
Starcraft 2, like it's predecessor before it, has a very robust level editor that allows you, the DIY modder, to create nearly any scenario within the bounds of the Starcraft 2 engine that you could imagine. We have compiled videos on how to do all sorts of fun things with it, from making RPG's and Tower Defense games to just making you dream Starcraft 2 level. This video will teach you the basics of using the Starcraft 2 Editor (current as of patch 13). It will teach you how to use the terra...
Rust protection doesn't have to cost a fortune. With a little zinc and some electricity, you can protect your precious metals from rust by galvanization. When you galvanize something, you're giving it a protective coating, and in this case, it's a zinc coating.
Kim, a staff mechanic of Driverside, demonstrates how to check the fuses in a car. In majority of the cars the main fuse box could be located on the left side of the kick panel situated near the driver seat. Inside the car, he opened a cover stating fuse box (near the driver seat), by turning a small lever, he dispatched the fuse cover with ease. A pilot map can be found behind the back of the cover panel. The Map elucidates all kinds of fuses distributed in the car and their amperages. Then ...
This video tutorial from iDeviceTutz shows how to change the SSH root password for iPhone or iPod.When iPhone or iPod is jailbroken it sets its password to default - alpine.Thus your device becomes vulnerable from a network attack that could steal your information or identity. So you need to change your password as soon as possible when your device is jailbroken.For this you'll need Mobile Terminal program on your device and SSH client (Cyberduck or WinSCP) on your computer.First download and...
Is your current doorknob sticky, wobbly, or just not cutting it out for you and your family? Well in this video Barbara K will demonstrate exactly how to replace any doorknob in your home.
Various electrochemical reactions requires that anodes do not degrade when used. Carbon is cheap, but degrades easily and platinum is extremely expensive. In a previous video, you learned "How to make cobalt and manganese nitrates", and you saw that titanium could be used as a cathode, but not as an anode due to an effect called passivation.
New to Ubuntu Linux? This computer operating system could be a bit tricky for beginners, but fret not, help is here. Check out this video tutorial on how to install the Ubuntu Software Store on Ubuntu Linux.
Watch this science video tutorial from Nurd Rage on how to make copper sulfate from copper and sulfuric acid in three ways. They show you how to make copper sulfate from copper and sulfuric acid using two chemical methods and one electrochemical method.
We've all attempted to fold a paper airplane before, right? One we hoped would sail majestically through the air for a good while but just ended up nose-diving into the grass. Paper planes, an invention likely as old as paper, are models of engineering; and they must account for the same dynamics as real planes, from drag force to stability to weight. So what is the perfect design?
The first video introduces the basic electrical quantities of charge, current, voltage, and resistance. The concept of quantities and units is explained. The units of Coulombs, Volts, Amperes, and Ohms are described. The three basic formulas of Ohm's Law (E=IR, I=E/R and R=E/I) are also introduced.
Can't tell if you need sunscreen or a rain poncho? Checking the forecast is a breeze. Learn how to check the weather on your iphone.
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 different colors by electrochemical anodizing. Without using paint, you can give a silver surface various colors by anodizing it.
The Minecraft 1.9 Pre-release is now available to download for those who wish to upgrade their current Minecraft 1.8 and Minecraft 1.7 games. If you're running Minecraft on a Mac, and want to download and install the 1.9 prerelease, make sure you catch this tutorial.
This hairstyle is taken directly from the current trends for runway models. Backcomb your hair first to give it a little body, then follow the steps to clamp your hair and hold it in place to achieve the disheveled ballerina look.
Minecraft is an incredible game with a unique art style that captures its own form of humor and beauty. But if you're more on the creative side, or are a little tired of the current look of Minecraft world, then check out this awesome video! In it, you will learn how to create your own textures and then add them into the world!
As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 17th installment in his "Excel Finance Class" series of free video lessons, you'll learn how to calculate the debt ratio, debt to equity ratio, equity multiplier ratio and times interest earned ratio.
The Droid Incredible cell phone by HTC brings the newest Google application right to your fingertips. With "Near me now" Google Search uses your current location to let you search for restaurants, ATMs, gas stations, and more! Verizon Wireless gives you tips on how to search Google on the Incredible Android device.
You can customize the seven home screens on the HTC Droid Incredible cell phone by adding widgets, changing the live wallpaper, and creating scenes to fit your lifestyle. Live wallpapers move and respond to your touch and changing scenes is a quick way to match the Incredible to your current status. Verizon Wireless shows you how to personalize your phone.
Not happy with your current notification settings? Whether you're the proud owner of an Apple iPhone 4 or perhaps just considering picking one up, you're sure to benefit from this free video tutorial, which presents a complete overview of how to adjust the phone's various notification settings. For more information, including complete, step-by-step instructions, take a look.
Good handlebar grips can make your bike ride much more enjoyable. In this tutorial, learn how to remove the current grips on your cycle and replace them with better, comfier and more stylish versions.
If you have upgraded your Windows to Windows 7 and want to stay current with all the new operating systems and software but hate it when you're faced with all the changes upgrading brings, you can download the 7 Taskbar Tweaker to configure your taskbar to your preferences. If you liked the old feel of Windows you can change that by choosing the option, you can also change what happens when you click on certain buttons to make your computer user friendly.