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.
The first video is an elementary explanation of triangular numbers and a Gauss demonstration for the sum of the first 100 natural numbers.
In this how-to video, Andrew Price of Dryad Bushcraft teaches methods of trapping animals in a survival situation. Learn methods of tracking animals as well as the West County trap and wire snare method. Watch this video hunting tutorial and learn how to trap animals like a real Bushman.
Gonorrhea infections reached a peak in 1975, then decreased until 2009, when infection rate started rising and has increased each year since. With the rise of antibiotic resistance, those numbers are only going to get worse — unless we find new treatments against the bacteria.
Social Engineering was mentioned a few times here on Null Byte, but not very many explained what it is, or how to do it. I love this quote because it's true: Social Engineering is the key to carrying out client side attacks, and all you need is a little creativity!
This video tutorial belongs to the Electronics category which is going to show you how to reset the Blackberry Bold 9000 / 9700 with three methods. In the first method you hold down the Alt key, the Caps lock key and hit Delete. Your Blackberry will start resetting. This process will take about 2 minutes to complete. The second method is the double reset. Hold down the Alt key, the Caps lock key and hit Delete twice. This method is helpful if your Blackberry is frozen. The third method is cal...
MissChievous gives us a tip about skin care. She thinks that a really important process in having a healthy skin consists in exfoliating your face once in a while.Basically, by exfoliating you get rid of all the dead skin cells. In order to eliminate your dead skin cells you must use an exfoliator. MissChievous thinks that the best exfoliator for your skin is the generic, not coded aspirin. Take two tablets of aspirin, put them in the palm of your hand and add a few drops of water. Then just ...
Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you've come to the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 48th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to use the RATE, EFFECT, NOMINAL and NPER Excel functions to solve the following problems:
Learn to make your own super effective bass traps and acoustic panels with materials from your local hardware store, just by watching this home audio video tutorial.
Check out this video for an elegant solution to the problem of sugar cane harvesting. Streamline your harvesting with this clever, effective, machine. Watch the video to learn how to replicate this design and build your own sugar cane harvesting machine in Minecraft.
Looking for a new way to torment your housemates? Check out this how to video to learn the secret of the bloody powder prank—it's perfect for April Fool's Day. You'll learn how to make a blood red powder that can make a terrifying mess anywhere you put it—someone's toothbrush is particularly effective.
Out of time and/or money to put together a costume for Halloween? Don't give up! You can make a variety of interesting and creepy Halloween costumes just by raiding your closet. Here are a couple good ideas for simple but effective costumes.
It doesn't make common sense for most people to use irons on anything other than cloth, but if you'rea (really) careful you can actually employ irons to flatten and straighten paper products, as well.
This video will help you decide which paintball marker (or paintball gun) is right for you. The low-end electronic marker or the mechanical paintball gun. Mechanical guns are extremely loud, and semi-automatic, but effective. It uses a CO2 tank. Electronic markers have a higher rate of fire (super fast), and aren't very loud.
Pitching can be either really great and effective, or really sloppy and frustrating. Most young children pitching the baseball fall into the latter category because they don't know how to properly grip or release the baseball. This video will talk about some proper grip and release techniques coaches can use to teach their baseball pitchers, so they can maximize spin and velocity during curveballs, fastballs, or any other pitch.
In this video, expert resume writer Susan Ireland gives you advice for writing a letter of recommendation - for yourself! She offers you quick tips so that you can get past writer's block and start writing an effective cover letter. Let Susan help you get the job of your dreams.
Are you suffering from severe back pain or tension? Releave that pain naturally with help from this video. Author and Creator, David P. Morrow of the Fat Into The Fire books and program provides a free demonstration of how to reduce back pain, reduce muscle tenstion and reduce stress. It is a simple yet effective breathing and stretching technique.
If you're out in the wilderness, need food, and any sophisticated equipment like guns, catching food can be a very difficult proposition. In this video, we learn how to make a trap called Doug's Deadfall, a very simple but effective deadfall trap. It was culled from Les Stroud's book Survive. No word on who Doug is, but we owe him many thanks.
Strengthening body parts is the key. This how to video demonstrates how to make the side kick or roundhouse kick or hook kick look better and more effective.
The goal of this video tutorial is to teach you how to perform the "coin through sugar packet" magic trick. This instructional is to help anyone wanting to be a magician, helping you understand technique and presentation of simple but effective illusions. These tricks are pretty easy, but with time, practice and patience you will be able to amaze your friends and your family. Learn the coin through a sugar packet magic prop trick.
This video tutorial shows the execution of a simple yet effective sleight of hand trick using a rope. Narration accompanies the visual explanation of how to pull it off. Watch this how-to video and learn how to perform a mystery knot magic rope trick.
This video resume-writing tutorial offers a powerful overview of 12 important aspects to consider when preparing your resume. A bad resume won't get you any job interviews, not matter how great your experience. Watch and learn how to put together a quality resume and get that much closer to your dream job.
Over the past 5-10 years, there has been an enormous growth in 4-mallet percussion. With the rapid increase in popularity, there comes the possibility of students moving too quickly through the learning process, or not having adequate instruction. In this installment from his video tutorial series on four-mallet percussion, Gifford Howarth provides suggestions for an effective warm-up routine.
Sempervivum or Houseleeks are extremely hearty breed of succulent plants that can grow in very arid areas. Sempervivum are a great plant to have because they require very little care. In this garden tutorial, Martin Fish from Garden News demonstrates how to create a simple & effective Sempervivum pot that will look good throughout the Winter.
Enjoy fly fishing on the weekends? Take a look at this instructional video and learn how to tie the "Compara Spinner", TPO's fly of the month for May 2008. This dry fly is an Isonychia imitation and the dubbing used in this tutorial makes it super effective. Fool a big one up top on your next trip to the Delaware.
This video training tutorial shows effective cat training tips that can transform antisocial cats into lovable pets. Cats need certain instruction to adapt to the routine and life in a household, and it's up to the pet owner to teach a cat how to behave. Learn how to train a cat by watching this instructional video.
When done properly, Ujjayi (translated as "victorious") breathing should be both energizing and relaxing. But it really is confusing at first. In this how to video, Garry Alesio shares some insight and tips into making this effective breathing exercise a natural stress-reducing solution. Watch this tutorial and you will be breathing your way to a less stressful life in no time.
Watch this tutorial video to learn some tips that will make using your MacBook or MacBook Pro's trackpad easier and more effective. This how-to video is good for new MacBook owners who may not yet know how to use the trackpad well.
Looking for an effective way to calm your fussy infant? Learn how to hold your baby in the football hold.
There are many choices for which lube to use in your paintball gun. Here are a few tips for choosing an effective paintball lube.
This video will show you how to pack a great, light gear bag for paintballing.
Some tips on knocking the ball deep with effective soccer punting. These techniques will help you kick the soccer ball very far.
Watch this video to learn the best and most effective way to clean your kitchen floor.
How to write Page Titles for your Title Tags from Search Marketing Vancouver. Learn how effective Title Tags can improve your SEO Results on Google and increase traffic to your website.
A quick, simple, and effective way to make bloody, drippy text.
Watch this video to learn how to tie a back-cast's paternoster rig for fishing -easy, fast & effective.
Learn how to warm up for basketball with an effective stretch walk for the legs and core known as the Russian March. First see the proper form to use, then some drills.
Looking for a new way to do your quilting? Why not try the 'quilt as you go' method! With this method you don't finish the whole piece at one time, but instead take various pieces of fabric and use them one by one. This is a great method if you happen to have a big bag of fabric odds and ends you didn't know what to do with. You'll need a piece of backing, thread, pins and of course a sewing machine. Watch and learn how to quilt as you go!
A bug out bag, or BOB, is a prepared bag, usually a backpack, designed to sustain you for up to 72 hours while your escape wherever you are in case of a natural disaster, terrorist attack, or other catastrophe. This video will teach you everything you need to know to prepare an effective BOB that will help ensure your survival.
Minecraft is the surprise indie hit of 2010 and it's still only in Alpha! And one of the mainstays of the name, "mining" is a key element to not only survival but advancement in the game and the construction of bigger and better items, tools, armor, buildings, ect. If you're confused on how to find the materials, or maybe an effective way of actually creating a good mining tunnel, this video tutorial will guide you. You'll learn what types of materials you'll need, as well as what some of the...
