If you read my article on the OSI model, you got a good overview on communications from that model's perspective, but how does that relate to TCP/IP? We're going to take it a step further, getting into the idea behind the two address concept. How does an IP address and a MAC address work together? If you want to hijack sessions and all sorts of lulz like that, you need to understand these concepts. Let's get into it, mates!
In this video tutorial, viewers learn how to calculate the standard deviation of a data set. The standard deviation of a statistical population, a data set, or a probability distribution is the square root of its variance. To calculate the standard deviation, users will need to follow these steps. 1) Find the mean of the data. 2) Subtract the mean from each data point. 3) Square each of the values you got in step 2. 4) Then find the mean of the values you get from step 3. 5) Finally, square r...
Watch this video to learn how to make a standard paper airplane that flies great. You will need one standard piece of paper. 1- Fold the paper in half, long ways. 2- Unfold the paper, take one corner from the top and fold it to the middle. 3- Take the other corner from the top and also fold it to the middle. 4- With both corners still folded down, fold the piece of paper down the crease that was made in the first step. 5- Without unfolding anything, fold each side down, creating wings. 6- Mak...
This video gives a demonstration of the standard waltz dance. This popular dance style was once used all over the world. Although there are different types of the waltz, this version was most commonly used. Be patient because the video may take a few seconds to download from the Library of Congress.
Want to play lead guitar in a rock band? Well first you have to learn techniques from the masters. This guitar lesson teaches you how to play "Save it for Later" by the English Beat. The original song uses a highly unusual guitar tuning (D-A-D-A-A-D). Here's how to play the song using standard guitar tuning (E-A-D-G-B-E). Once you get a hang of these popular guitar chords and tunes, you can start incorporating them into your own songs. With this lesson and a bit of practice you will be able t...
Accidents happen at work. When there is a minor wound victim, take charge and help support the injured person. This first aid how-to video shows you how to treat work related minor wounds. These first aid tips for work are sure to keep your employees healthy and happy.
How to tie a standard shoelace knot. This knot tying animation is the best you will find on the web. Slow it down to see every step in detail. Learn how to tie a standard shoelace knot with this knot tying animation. Tie a standard shoelace knot.
In this video we will learn about algebra SCIENTIFIC NOTATION and STANDARD FORM. Watch the above math video to learn how to change large numbers from standard form to scientific notation.
Learn how to convert from scientific notation to standard form by watching the above math video. To change a number from scientific notation to standard form, move the decimal point to the left (if the exponent of ten is a negative number), or to the right (if the exponent is positive). You should move the point as many times as the exponent indicates. Do not write the power of ten anymore.
The Interactive Lab Primer (ILP) has been developed as part of the Royal Society of Chemistry Teacher Fellowship Scheme, one of the themes of the Chemistry for Our Future program, and initiative which aims to secure a strong and sustainable future for the chemical sciences in higher education. The aim of the ILP is to address the diverse range of experience and skills students bring with them to a university by offering a resource to support their transition from school to the university chem...
This video demonstrates how to replace a standard switch with a dimmer switch. From the people who brought you the Dummies instructional book series, brings you the same non-intimidating guides in video form. Watch this video tutorial to learn how to replace a standard switch with a dimmer switch, For Dummies.
In this video David Atkinson guides us through how to pack a backpack for a camping trip. The first step would be to include the bed and breakfast gear (tent, sleeping bag, sleeping pad clothes and water)and then we need stone fuel for cooking and cook kit, food, headlamp, toilet paper, a shovel rain gear and weather appropriate clothing. When you have decided on your luggage you have to organize it properly, starting to put the heavy things (tent, stones, cook kit) in the middle on the botto...
So, I managed to take some pics last night of the supermoon. I was dropping someone off at LAX right around perigee, so all of the images I took off the side of the road were horrible, since there were tall buildings everywhere and nothing but street and parking lot lights blocking my shots.
This year for Halloween, don't just settle for the normal cutesy pumpkin carvings — make these creepily charred and contorted miniature jack-o'-lanterns instead.
If you're a medical student, you'll learn a lot from this video lesson on examining your patient's eyes. If the patient is having trouble seeing, like double vision, blurred vision, pain or any other problem, a proper eye examination is detrimental to properly diagnosing and treating him/her. You can also determine and potential problems which may arise bases on your family history. Watch to see the complete procedure outlined, which is great for any med student or doctor. Even nurses can ben...
Get a crash course on HScript Expressions, Variables, and Attributes in Houdini 10. If you don't even know what this means, then you probably need to check this video tutorial series out. Understanding how to massage data in Houdini is key to giving yourself the creative edge and allowing you to unleash mind-blowing visual effects. This 18-part video series covers a variety of simple yet essential weapons in your arsenal including Global, Standard and Custom Variables to Math and String Modif...
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.
Welcome back, my budding hackers! In previous tutorials, we've looked at some of the basic commands and concepts for using Linux. Along the way, I realized that I've failed to provide you with some basic background material on the stdin, stdout, and stderror.
If you're tired of the standard themes on your iPhone or iPod and would like to change them without jailbreaking your phone then check out this video to see how to do it. You'l be using an app called DIY themes to make any theme you want!
Who doesn't want their own dragon or two? Well, this clear, step-by-step turorial shows you how to fold two different versions, using the standard origami bird base. This craft requires one piece of paper, your hands, some patience and no fear of dragons!
The HTC Desire Z continues the HTC hit parade of awesome smart phones. It offers some awesome standard features that used to be hard to make on older Android phones, like flip-to-speaker and flip-to-silence. This video will show you how to use these features and take full advantage of your phone.
A standard straight up and down Beyblade launch usually sends your Beyblade spinning around the edge of the Bey Stadium. If your opponent's Beyblade is in the center of the stadium this means that you will lose a lot of power before you hit them and probably lose the round. This video will show you how you can angle your launcher to do a sliding shot that will cross the middle of the stadium and win you more Beyblade.
Organic LEDs (OLED) are even more efficient than their standard LED cousins, but does that mean they're harder to make? Perhaps somewhat, but no excessively. Watch this video to learn how to make a DIY OLED at home, allowing you to make really cool light-up displays.
Front wheel drive has become the standard of the automotive industry for most segments, so you better know how to work on them if you're gonna fix a lot of cars. In this video you'll learn how to replace the axle bearings on a front-wheel drive car.
This After Effects tutorial will show how to create a nice, smooth animated text effect, which turns your icy font into a frozen font. This is a great animation that can be easily learned, whether you're an AE pro or novice. Laurence Grayson chills out as he shows you how to create this ice texture effect, glassy text and a frozen text animation - all using just the standard effects that come in CS3, CS4 or CS5.
If you're driving down the road in your vehicle (manual transmission), and you step on the gas, but aren't accelerating as fast as you should, even though the RPMs are solidly rising, you may have a slipping clutch. If you think that you clutch may be the problem in your standard car or truck, then Scotty Kilmer will show you how to replace it— the proper way— just like an auto mechanic.
In this clip, you'll learn how to string up a uke with a standard tie-style bridge. If you want to get really good at playing the ukulele, it stands to reason that your instrument will need strings on it. Happily, the Internet is awash in high-quality video lessons like this one from the folks at Hawaii Music Supply. For more information, including a step-by-step overview, watch this free video ukulele tutorial.
Every Apple computer running Mac OS X comes with a handy application called Terminal… MacBooks, MacBook Pros, Mac Pros, iMacs, etc. They all have Apple Terminal, and it can be found in your Utilities folder in Applications. Which means you can use it.
If you want to get more apps for you iPhone than those offered by the standard store, but are still intimidated by jailbreaking despite the fact that it has recently become legal, this video offers a solution for you. It will show you how to get and use an app called OpenAppMkt to get more apps for you iPhone or iPod Touch without needing to jailbreak it and access the Cydia app store!
Trophies and achievements have become the gold standard for measuring the completion of games on the Playstation 3 and the XBox 360 respectively. Completing all of them is the best way to show your devotion to a particular game. Prototype is no exception, and this video will show you how to get the surface-to-air achievement in the game, which mainly consists of shooting down 50 helicopter using tanks. Good times.
Got a deck of standard playing cards? Looking for your next great illusion? Prefer that it be Kafkaesque? Look no further. In this free video magic lesson, you'll learn how perform the "Metamorphosis" card trick. For more information, including a step-by-step breakdown, and to get started impressing your friends and family with this great trick, watch this prestidigitator's guide.
Got a deck of standard playing cards? Looking for your next great illusion? Look no further. In this free video magic lesson, you'll learn how perform the "Serenade of the Kings" card trick. For more information, including a step-by-step breakdown of the trick, and to get started using it to impress your friends and family, watch this prestidigitator's guide.
A sweet yet tart accompaniment for early morning tea, blueberry pancakes are a lovely alternative to your standard dough and maple syrup pancakes. Served up with your favorite syrup, a fresh bowl of strawberries, and some Earl Grey, these pancakes will pique your appetite and set a wonderful tone for the rest of the day.
So, you've mastered the knot tying process for fishing, and you already know how to catch bait, so now what? You need to put that live bait to good use... this animated tutorial from Marinews will show you how to rig skip baits using a whole fish for fishing. Catching bait might just be as hard as baiting fish, but it's all in good fun when you kick back with a brewsky in your hands. You can learn by simply watching the bait rigging animation at a moderate speed, or if need be, click on "lear...
So, you've mastered the knot tying process for fishing, and you already know how to catch bait, so now what? You need to put that live bait to good use... this animated tutorial from Marinews will show you how to rig a garfish for fishing swimming bait. Catching bait might just be as hard as baiting fish, but it's all in good fun when you kick back with a brewsky in your hands. You can learn by simply watching the bait rigging animation at a moderate speed, or if need be, click on "learn by s...
Start learning how to play the Delta Blues! This video lesson covers a lot of information for beginner blues players, so check it out. In this tutorial, learn the song called "Bottle Up and Go" (standard tuning), which has been done by many musicians.
Freelance web developer and Internet marketer David Frosdick offers some tips and tricks in this video tutorial on how to get the best Camtasia settings for YouTube widescreen.
Like looking for lost treasure? There's no need to break the bank for a high-end metal detector — just dig through your junk drawer! In this video tutorial, KipKay shows you how to make a metal detector from a calculator, an AM or FM radio, a standard CD case, and some velcro. That's it. Your very own metal detector.
In Jiu Jitsu the standard goose neck wrist lock may not work of very stong individuals. That means that your level of force must go up in order to deal with the increased resistance.