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 (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to reduce and simpify rational expressions in algebra.
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 (or just study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to find the midpoint of a line segment in geometry.
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 multiply and divide rational algebraic expressions.
Want to know how to make a simple animated GIF in Adobe Photoshop Elements 7 (or any other version of PSE for that matter?). If so, you've come to the right place. This free software video tutorial will teach you how to start making your own custom animated GIFs in Photoshop Elements. For complete, step-by-step overview watch this how-to.
Have an old fridge (or, like the creator of this video, easy access to a scrap metal yard)? Convert it into a meat smoker! This DIY guide will teach you how to repurpose a disused refrigerator for smoking meat. For complete, step-by-step instructions on how to make your own cooker from an old metal-body fridge or freezer, watch this free video tutorial.
Want to install a suspended ceiling yourself (perhaps enlisting the help of a construction-savvy buddy)? If you have the time and necessary tools (and provided your existing ceiling is structurally sound), the process is quite simple. This free DIY guide will walk you through the process from start to finish. Build your own suspended ceiling with this how-to.
Want to lay a hardwood floor yourself? It's easy. Provided, that is, you have all of the following materials: wood panels (preferably with built-in foam underlay), plastic sheeting, duct tape, tapping blocks, a hammer, a crowbar, a straight edge, a miter square, a pencil, string line, some spacers, and a saw. For complete instructions on putting it all together and installing your own custom wooden floor using panels, watch this free DIY guide.
Need to protect your school books? This free video guide has got you covered. With its help, you will learn how to make perfect custom book covers using a brown paper grocery bag. For more information, including step-by-step instructions on how to cut and fold your own custom protective book coverings, watch this handy how-to.
Dirty filters ruining your shots? Glass filters, as useful as they may be for protecting your SLR or DSLR lenses from external damage, can grow dirty over time, reducing image quality. Learn how to properly clean your single-reflex camera's glass lens filters with this free photographer's guide.
As any SLR or DSLR owner knows all too well, the price of lenses can often approach or even exceed the cost of your camera. As such, it's important that you take the necessary precautions to protect them. With this free photographer's guide, you'll learn about using UV (that is, ultra-violet) filters to protect your single lens-reflex camera lenses from sun damage.
Whether you're using a fancy WYSIWYG (what-you-see-is-what-you-get) page editor like Adobe Dreamweaver CS5 or a barebones text editor like Notepad, if you want to build websites, you'll need to have some understanding of HTML (for the structure of your web pages) and CSS (for their style). And this free coder's guide will get you started along that path.
Interested in taking professional-caliber portraits but aren't sure what sort of backgorunds to buy? When choosing a background, your biggest consideration should, of course, be the backdrop's primary application: browns and blues, for example, are great colors for standard portraits. For more information on selecting your first photo backdrops, watch this free photographer's guide.
Want to move quickly from indoor to outdoor shooting environments without having to futz with the manual controls on your video camera to adjust for the disparate light levels? If so, you should give your camera's automatic exposure feature a whirl. For more information on using your digital camera's auto exposure tool, watch this free cinematographer's guide.
This video tutorial outlines a number of quick and easy tips for installing a porcelain tile backsplash in your home kitchen, from checking the substrate (that is, the surface to be tiled) to the application of the tile itself. For a complete, step-by-step overview of the DIY process, watch this free video guide.
Has your broken garbage disposal got you down in the dumps? Be your own repair man with this free handyman's guide, which will help you troubleshoot and repair a broken garbage disposal. For more information, and to get started diagnosing and fixing your own broken disposal, watch this handy how-to.
If you want to get a good exposure on a shot, there's nothing so useful as a good light meter. But, as useful as a light meter can be, it won't do you any good unless you know how to use it properly. Learn how with this free video photography lesson from Kerry Garrison of CameraDojo, which will walk you through the fundamentals of using the device.
Looking for an easy way to cut out a large hole from a plank of wood or a sheet of plastic or metal? A holesaw (also styled hole saw) might be just the right tool for the job. For a complete overview of how to use a holesaw-type circular saw to carve holes into your materials, watch this free video handyman's how-to.
Slim down or tighten up by doing pilates exercises at home. If you're looking for a means of losing weight or strengthening your core, you might want to give pilates a try. This free video guide presents a general overview of a number of simple pilates routines that you can easily do at home including the roll up, the single leg stretch, the hundreds and rolling like a ball.
Want to get rid of tan lines, reduce your chances of developing skin cancer but, like, nevertheless maintain a totally bodacious tan? With the self-tanning solutions made available by modern chemistry, it can be done. Discover how a spray tan booth can fix tan lines with help from a professional skin care specialist in this free video on tan lines and skin care.
Do travel turns across the tap room floor with help from this free tap lesson! Learn how tap dancing steps can be combined to create traveling turns across the dance floor from an expert: Bonnie Gray is an award-winning choreographer in dance and musical theatre and here to teach you the basics of tap! Learn more tap dancing dance moves from this expert by searching WonderHowTo! You're only practice time away from ruling the dance floor!
Need to degunk a clogged bathroom sink? The process, while just as gross as you might expect (and perhaps even just a little bit grosser), is nevertheless very straightforward. For a complete, step-by-step overview of how to easily unclog your own sink drain, watch this free home plumbing guide.
Want to draw a cartoon goldfish splashing in its fishbowl? Look no further: This free drawing lesson presents a complete step-by-step guide to the process and will have you drawing your own carassius auratus auratus in no time flat. For more information, watch this cartoonist's guide.
Wrapping your bike's handlebars with bar tape might not sound like a complicated enterprise but it's much trickier than you might expect. Fortunately, this video presents a complete overview of the bar-wrapping process and will help you to a achieve a finished, even wrap every time. For more information, including step-by-step instructions, watch this free cyclist's guide.
Want a way to reduce or increase the exposure of your camera's sensor without actually having to adjust ambient light levels? Apart from changing the aperture of your lens, you can adjust your camera's ISO setting, which will increase or decrease your sensor's sensitivity to light. To learn more about ISO, and to get started using custom ISO settings on your own DSLR, watch this free photographer's guide.
When shooting a traditional-style interview, one of your jobs as cinematographer is to think about lighting so the viewing audience doesn't have to — that is, the lighting should serve and most not distract from the subject. This free cinematography lesson presents a number of tips for lighting a person whom you intend interview on camera.
Ready to bring your digital photographs into the world of tangible objects? Before you do, you'll need to understand a thing or two about aspect ratios and image cropping within Adobe Photoshop. Fortunately, this guide will tell you everything you need to know. For a complete overview, and to get started cropping your own images for printing, watch this free video guide.
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 free math tutorial, you'll learn how to change top-heavy improper fractions into mixed numbers.
Seeking relief from a cold? There's more to using a neti pot than just pouring a saline solution down your nasal cavity – or is there? Find out with this how-to, which presents a complete guide to properly using a neti pot to relieve nasal congestion. Breathe easy with this free video guide.
A portable generator is of no utility whatsoever if you don't know how to use it safely. This video tutorial will teach you the fundamentals of safely operating a standy generator. Be sure, however, that you also read the manual specific to your model. Learn how to safely generate back-up power with this free video guide.
If you need to snap a diagonal chalk line on a sheet of plywood, you could hope that the hook will hold when you pull on it or try to find a third hand – or you can follow this video guide, which demonstrates a method for snapping chalk lines using a utility knife. For a complete overview of the technique, watch this free DIY tutorial.
Looking to add specimens to your paper menagerie? Make a jumping paper frog with origami, the traditional Japanese art of paper folding. This free origami video lesson presents complete instructions for making your own leaping amphibian from a sheet of folded paper. For more information, and to get started making your own jumping paper frogs, take a look!
While ready-to-go seedlings have their place, it's also useful (and considerably cheaper) to know how to start your own seeds, which is where this free gardening tutorial comes in: with it, you'll learn how to germinate your own seeds for planting in your garden. Specifically, this tutorial looks at how to start tomato seeds.
It seems silly to have to burn an ISO disc image to a CD just to insert it back into your computer to install or watch its content. Fortunately, there is another way. In this free video guide, you'll learn a method for mounting ISO disc images in Windows without wasting a CDR.
Goofy is iconic. He is that lovable pooch from Disney's classics. Everyone has memories of Goofy from their childhoods and now you can bring him back to life as an adult! Check out this video and learn how to sketch Goofy by hand just like a cartoonist.
Hallo! Hallo is the proper way to say "hello" in German... easy enough, right? Take your lesson one step further by practicing your pronunciation alongside this language video. Learn also how to ask "hello, how are you?" word-for-word with help from this free lesson.
Interested in crafting your own jewelry? How about a pair of freeform wire earrings? With this DIY guide, you will learn how to make a simple, but nevertheless elegant, pair of freeform earrings. For a detailed, step-by-step overview, and to get started making your very own custom earrings, watch this free video lesson.
Interested in crafting your own jewelry? How about a pair of drop earrings? With this free DIY guide, you'll learn how to make a pair of simple but nevertheless elegant drop (also known as pendant) earrings. For a detailed, step-by-step overview of the earring making process, take a look.
Have an Xbox or Xbox 360 that you want to connect to the Internet and a notebook PC? With this gamer's guide, you'll learn how to connect an Xbox to Xbox Live via your laptop's wireless Internet connection — foregoing expensive wireless adapters. For complete instructions, watch this free video tutorial.
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 (or just study for that next big test). With this free video math lesson, you'll learn how to graph a system of linear equations using a T-Chart.
If you have seasoned bread and a food processor, you too can make seasoned bread crumbs. It isn't necessarily a very tricky thing to figure out. That didn't stop chef Josh Allen from making this simple and easy-to-follow culinary guide, however. For more information, and to get started making your own seasoned bread crumbs (perfect for omelets or chicken breasts), watch this free video cooking lesson.
