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How To: Deal with SN2 (biomolecular nucleophilic substitution) reactions in chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to understand and work with SN2 reactions in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Work with steric hindrance in organic chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to use Markovnikov's rule to understand steric hindrance in organic chemistry. Whether you need help studying for that next big test or could just use a hand finishing your homework, you're sure to be well served by this video lesson. For more information, including detailed, step-by-step instructions, take a look.

How To: Use Induction Cooktops

Induction cooktops are a great option if you're interested in heating food faster and saving energy in the process. They operate a bit differently than other cooktops and you should understand how so, if you plant to own one. This quick tutorial will show you how to use an induction cooktop easily.

How To: Know out what women carry in their purse

The purse. One of the biggest mysteries to man. In it, lies hidden treasures and things that no man can understand how it exactly fits in there. It's so mysterious that it can become maddening. So in this tutorial, you'll find out how to know what women carry in their purse. Good luck and enjoy!

How To: Crochet hair scrunchie from thread

Looking for a fun and functional crochet project (and happen to be right-handed)? Make a hair scrunchie/scrunchy with this crafter's guide. While this tutorial is geared toward people already posessing some knowledge of crocheting, beginners should be able to follow along provided they understand the bare essentials. For more information, and to get started making this hair scrunchie yourself, watch this free video crochet lesson.

How To: Crochet a rag rug from recycled cotton bed linens

Recycle your old bedclothes and obtain a fashionable rag rug in the process! Learn to make a rag rugs from old linens with this green crafter's guide. While this tutorial is geared toward people already posessing some knowledge of crocheting, beginners should be able to follow along provided they understand the bare essentials. For more information, and to get started making your own rag rugs, watch this free video crochet lesson.

How To: Left-hand crochet a hair scrunchie from thread

Looking for a fun and functional crochet project (and happen to be left-handed)? Make a hair scrunchie/scrunchy with this crafter's guide. While this tutorial is geared toward people already posessing some knowledge of crocheting, beginners should be able to follow along provided they understand the bare essentials. For more information, and to get started making this hair scrunchie yourself, watch this free video crochet lesson.

How To: Learn to calculate percent error with this music video

Math, chemistry, physics can all be a very difficult thing to understand. But if you have the right teacher, then it can make life a bit easier. Maybe even a music video explaining it can be a bit easier. In this tutorial, if you're having a tough time with calculating the percent error, this music video may be what you need. So check it out and good luck!

How To: Create a vignette with curves easily

This tutorial is for those looking to get an understanding of Photoshop CS4. It's a beginner video and shows you the best way to create a vignette with curves easily. It's a great way to add a little something to your photos without making it look fake. So sit back and enjoy!

How To: Easily combine photos and text using Photoshop

Photoshop is all about being creative. The more you know, the better you become at mixing certain tricks and techniques to make amazing pieces of digital photography. But there are so many it can take a good chunk of your time to fully understand the power that Photoshop holds. In this tutorial, find out how to easily combine photos and text using this awesome piece of software. Enjoy!

How To: Find simple probabilities in Microsoft Excel

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 51st installment in his "Excel Statistics" series of free video lessons, you'll learn how to understand, work with and find simple probabilities in Microsoft Office Excel.

How To: Write basic HTML and CSS

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.

How To: Craft a Chinese hat with your kids

Teaching your kids or students about different cultures can be a big stepping stone in them understanding more about the world. A good way to do this is by using an easy arts and crafts project. This tutorial focuses on the Chinese and how to craft an easy hat. Enjoy!

How To: Graph a linear equation using slope-intercept form

Are you "just not a math person"? Hogwash. Everyone seems to think that at one point in their life. With a little practice and study, math will become more and more easy to understand. Start your journey towards become a "math person" with help from this video, which teaches how to graph a linear equation using slope-intercept form.

How To: Easily write a great thesis statement

Ahh, the thesis statement. Two words I haven't read or heard since I was in college. Two words that tortured me for a good year in high school. Anyway, this video tutorial gives you an understanding of what a thesis statement is and how to write a great one. Pay attention and good luck!

How To: Crop images in Adobe Photoshop for printing

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.

How To: Remove and reinstall devices in Windows XP

The beyourownit shows you how to remove and reinstall devices in Windows XP. The first thing he shows what to do is Right click on the My Computer icon and select properties then select then choose the hardware TAB. When you click on the Device Manager button, the Device Manager will appear where you can make changes to your computer. The user explains more to help you understand better. If you watch this video, you will find out how to reinstall devices in Windows XP.

How To: Divide mixed numbers

In this easy to understand video, intuitive instructions are given on how to divide mixed numbers. This video will help you quickly learn a fast and easy method for simplifying and then dividing mixed numbers. If you have ever gotten confused when trying to learn about mixed number division, this video will walk you, step by step, through the best process. The video contains a voice over and visual demonstration of how to do an example mixed number division problem.