From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps. With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to determine whether two fractions are equivalent.
When you've mastered the single crochet and have gotten a hang of the double crochet, it's time to really step up your knitting game and start the triple crochet, a more difficult but rewarding type of stitch that creates a very tightly woven fabric.
Choosing which paint is right for your room, is easier than it is today than in the past. Instead of just using paint swatches to help determine what color your room should be, buying paint samples from the store is a great way to see quick results. There are some other methods, too, when trying to select the right wall color for your room, so check out the video to find out more. Enjoy!
As you might guess, one of the domains in which Microsoft Excel really excels is business 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 47th installment in his "Business Math" series of free video lessons, you'll learn how to determine credit given for partial payment of an invoice.
Love Microsoft Excel? This clip contains a tip that just might induce you to. With this free video tutorial from ExcelIsFun, the 36th installment of his "YouTubers Love Excel" or YTLE series of free video MS Excel lessons, you'll learn how to use the VLOOKUP function to determine an increase in salary based on a rating scale.
This tutorial, taught by a teacher from Lincoln High School in Los Angeles, CA, will teach you how to find the volume of a cylinder when given its radius.
Back again with another great instructional video, Mike Kraft, a Lowe's home improvement expert, demonstrates how to properly sharpen or replace the lawnmower blades on a riding lawnmower. Mike provides tips on inspecting your worn lawnmower blades to determine whether or not your blades need to be replaced, or merely sharpened. This video will give you an idea of the tools you will need to complete this project, as well as the steps involved in both removing and re-installing the lawnmower d...
Ever wonder how much delicious chocolate pudding you could fit inside a sphere as large as the earth? Maybe not, but after watching this video, you could figure it out! Follow along with the narrator as the formula for determining the volume of sphere is explained, accompanied by helpful visual animations that make the calculations come to life. And if you can't hear the instructions, you may need to check your volume.
New user to Windows 7? Microsoft has put out a series of video tutorials explaining how to maximize your Windows 7 experience. Follow along with this computer lesson and learn how to:
Here’s the scary thing about body odor: You can’t smell your own. Make sure you’re not stinking up the joint by reviewing your hygiene habits. Watch this Howcast how to video to figure out if you have B.O.
Netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Unix, Unix-like, and Windows NT-based operating systems. This video tutorial presents a basic introduction to working with the netstat tool. Determine whether you've been hacked with this how-to.
This how-to video details different ways to hold onto a bicycle handle bar to maximize comfort. This is especially important for long rides. Demonstrated are in the drops, in the hoods, or on top of the bars. Watch this video cycling tutorial and learn good handlebar positions on a bike.
Many flash movie players will disallow content to be shown to you if they determine that you're not in the correct region. This video tutorial presents a simple solution. (NB: While this works for the time being, it won't work forever, and so you'd be well served to take advantage of this while you can.)
One of the most common difficulties in freeing up space on your hard drive can simply be determining which files you ought to delete. In this tutorial, Gary Rosenzweig shows you how to find the largest files on your hard drive and clean them up to create more space.
Check out this instructional video and learn how to use a generic around the world pattern on your tennis racket. This stringing pattern does not require a starting clamp. Once your mains are done, you'll want to count your crosses and you can determine where to go from there.
Watch this instructional cello playing video to learn how to create a sound on the cello. The sound production is composed of the various elements used to create the sound on the cello. There are three variables that determine the kind of sound produced: how much weight will you put into the string, the speed of the bow, where you put the bow. This tutorial is great for beginning cello players.
Just picked a skateboard? Take a look at this instructional video and learn how to perform a pop-shuvit on a skateboard. This tutorial covers foot position determined by whether or not you're goofy footed or regular.
Interested in golf? Before you start swinging your club, there are a few things a golfer needs to know. Take a look at this instructional video and learn how to determine aim, alignment, and how to prep your pre-routine.
Watch this photography tutorial video to learn how to tweak your Nikon digital SLR's shooting modes to determine what happens when you press the shutter button. Changing the shooting mode on your Nikon D80 can help improve your pictures.
In this video tutorial, Chris Pels will show how to create an Application Class File (Global.asax) that contains application level event handlers such as Application_Start and Application_BeginRequest. Then the sequence of application level events in the application lifecycle will be discussed as a basis for determining where certain types of operations would be best performed during the application lifecycle.
Check out how to read a binary clock in this how to video. You'll see how to read the BCD (binary-coded decimal) format like so many can't. Just watch this if you have trouble determining the hours, minutes, or seconds on your binary clock. You can read it in standard or military time if you'd like.
This video shows you how to plank grill fish on a gas grill. It tests three variations of plank grilling techniques side by side to determine which method is best.
An installer shows what to look for on your bearings to determine if they are safe to use. He then shows how to repack the bearings with grease.
Following the proper electrical code for installing electrical outlets will be shown in this video.
Bob Fenwick shows us how to determine where a gutter leak is originating and what may be causing the problem, as well as how to correct it.
What's the most important move in your golf swing? It's a hard one to nail down, but the answer is usually the golf club's approach to the golf ball. The path the golf club takes ultimately determines the shape of your shot and the connection you make. Improve your downswing and you'll be laughing. Check this out.
Learn and understand hand match ups and the percentages of winning those hands in a Texas Hold'em game. Become the local guru and know pot odds and percentages of winning.
Crocheting is a great hobby. It could even be a great business if you're good enough. But how do you go about figuring out what to crochet? What projects peak your interest, or others' interest? If you know some basic crochet stitches, it may be time to move on to a challenging project. Here are some steps to choosing the right crochet project for you.
So you need to find the p-value for your hypothesis test. To do so, employ the spreadsheet program Microsoft Excel. Using a simple formula, you can easily determine the p-value for your tests and thereby conclude strong or weak support of the null hypothesis.
Open-source intelligence researchers and hackers alike love social media for reconnaissance. Websites like Twitter offer vast, searchable databases updated in real time by millions of users, but it can be incredibly time-consuming to sift through manually. Thankfully, tools like Twint can crawl through years of Twitter data to dig up any information with a single terminal command.
As you're surely aware, your phone can be used against you. Thanks to our cameras and microphones, a clever hacker can obtain access to your device and invade your privacy. But spying isn't limited to just these two sensors — gyroscopes, proximity sensors, QR codes, and even ads can be used to paint a very clear picture about who you are and what you're currently doing.
The Null Byte community is all about learning white hat hacking skills. In part, this is because I believe that hacking skills will become the most valuable and important skill set of the 21st century.
In this Home & Garden video tutorial you will learn how to build a landscape retaining wall in a weekend. This video is from www.allanblock.com. You can do it by using the Europa collection from Allanblock. Get the installation details and the location of the nearest dealer from the website. Tolls you need are a shovel, hand compactor, wheel barrow, measuring tape, level, hammer, rake, broom and gloves. This project will require the AB Barcelona, AB Palermo and AB Dover blocks. The first step...
In this how-to video, you will learn how to stop your dog from barking excessively. Dog's bark naturally. It becomes a problem when your dog barks too much. First, determine the reason why your dog is barking in the first place. From this, you can determine the next step. If your dog looks like he or she is barking at nothing, the dog is definitely barking at something because of heightened sense of hearing and smell. You must communicate to your dog what is acceptable behavior. Never reward ...
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.
Here's a simple home science experiment to demonstrate to kids the different weight and viscosity of various liquids. The liquids near the bottom are more dense while the liquids on top are less dense. This can also be used to determine the relative density of solid objects. Place them in the container and see where they float.
The lab scope is one of the most powerful diagnostic and repair tools for the modern mechanic. In this video you'll learn how adjust coil ramping with a lab scope and use the scope to determine if your have good or bad engine coils.
If the exposure for your camera is just a tiny bit off, the skin tone for your shots will be terribly off. You can use an 18% grey card to determine correct exposure, which is useful for setups when you are doing self-portraits or similar projects.
Despite how easy it looks in this video, finding and acquiring this rooftop wanted poster in Mafia II is not a simple task. But, if you're determined to get the wanted poster of drug trafficker Vladimir Semotan (aka Preacher), then follow along the best you can. Geoff and Jack from Achievement Hunter will show you the way to the roof of the Authorized Repair Shop to grab the poster, which will bring you one step closer to the Card Sharp achievement on the Xbox 360.
Google is the biggest and best search engine on Earth, and if you are a webmaster and want your website to be a big success it would really behoove you to know as much about how it works as possible. The Google Webmasters series of videos and website were created to teach webmasters, SEO professionals, and others how Google works by answering their questions and giving them insights into how they can best integrate and utilize Google's functionality to improve their business. This video will ...
