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How To: Visualize a cyclohexane molecule with chair & boat shapes in organic chemistry

In this free video science lesson from Internet pedagogical superstar Salman Khan, you'll learn how to represent and interpret cyclohexane molecules 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: Convert decimals to fractions

Fractions, decimals, percentages... They are all similar in concept, just represented differently. In this video courtesy of Math Problem Generator, learn how to convert your deicmals to fractions. Make math a little easier on you with a little practice and the important information this math video holds.

How To: Play "Lucy in the Sky with Diamonds" on piano

Lucy in the Sky with Diamonds from Sargent Pepper's Lonely Heart's Club Band represents the culmination of the Beatles high psychedelic period. Commonly assumed to be about LSD, according to John Lennon it was really about a picture that his daughter drew. Go figure. This tutorial teaches us quickly and simply how to play the song on piano, with handy chord diagrams and technique tips aide you on your journey through Pepperland.

How To: Customize the checkmark in a Silverlight checkbox

Steve White demonstrates how to edit the default template of a CheckBox control and use text instead of graphics to represent the Unchecked/Checked/Indeterminate states. This demonstration uses the Expression Blend 2.5 Preview. This is a step by step, extensive tutorial on exactly what you'll need to know when using Microsoft's Silverlight. This is a detailed, easy to follow video, to help you use the program, and all it entails.

How To: Do data binding in Silverlight

In this video Jesse Liberty dives deeper into data-binding, demonstrating in detail how to create business classes that represent data retrieved from a web service, and how to bind them to various controls using a combination of Blend and Visual Studio. This is a detailed, easy to follow video, to help you use the program, and all it entails.

How To: Calculate and solve for density

Density is a means of representing how much mass is contained in the body of an object. The basic formula is: Density (D) = Mass (M) / Volume (V) so D=M/V. Density is important to know for buoyancy and to understand how heavy an object is. This video will show you three examples of measuring density so you can learn and put it to good use.

How To: Draw Dr. Martin Luther King, Jr.

Drawing Martin Luther King, Jr., with an open mouth represents his career as a speaker, and drawing his distinguished brow line makes him recognizable. Draw Dr. Martin Luther King, Jr., with tips from a professional illustrator in this free instructional video on drawing. Now you know what to do for the next Martin Luther King Day - so start practicing and learn how to draw MLK jr.

How To: Boffer sword fight with the Knights of Gray

Check out this video from the Knight of Gray. If you are a LARPer, and are art of a LARPing association, then you must check with your league to see if you can even use these boffer fighting techniques. The Knights of Gray do not teach for live action role-playing, they teach for combat. You must be aware of this.

How To: Understand Forex trading strategies

Forex— what is it? Any investor could tell you a complicated description of what Forex is, but the basics of the FX currency markets is— an over-the-counter financial market for trading currencies. The foreign currency exchange market has no central exchanges like the stock market and little regulatory oversight. With this beginner’s guide, learn the trading basics.

How To: Calculate azimuth in trigonometry

Azimuth is simply the angle of an object in the sky along the horizon. Yes, it's spherical trigonometry but it's not difficult! Check out this video and in just a few minutes you will be able to solve azimuth problems on your own.

How To: Convert text to SmartArt in PowerPoint: Mac 2008

Dull and drab bulleted lists are no longer necessary with the help of PowerPoint 2008 for Mac. When you make a bullet list in PowerPoint, you can now transform those boring text charts with actual visual charts and graphs and more. The Microsoft Office for Mac team shows you just how to convert text to a SmartArt graphic in this how-to video.

How To: Fit a helmet for horseback riding

Christy Lendwehr and Julie Goodnight from the Certified Horsemanship Association explain how to know when you have a fitting and correctly adjusted horse riding helmet. First and foremost, you should wear your helmet every time you ride and you should be sure that is a ASTM SEI helmet approved for equestrian riding, as they also make helmets for sports and those should not be used while riding a horse. When putting on a helmet you should be able to push it and only the wearer's eyebrows shoul...

How To: Teach your toddler the days of the week

In this video from modernmom, Nancy Stone, a parenting coach teaches how to teach your toddler the days of the week. There's a few simple and easy tips to do this. Music and songs are some favorites. Also rhyming things with the days of the week is a great idea. Or make a calendar and have them trace the letters. Another example is to speak to them and say things like on Saturday we don't go to school and Sundays we go to church. Another thing to say is when they wake up work in the day of th...

How To: Do shoulder isolation exercises

Isolate shoulder muscles with specific weightlifting exercises. Learn tips and techniques for working out the chest, back, shoulders, and arms in this weightlifting video. Take action: targeting anterior & lateral deltoids, bring dumbbells to side with feet shoulder-width apart. Lance is certified personal trainer through American Fitness Association of America. He graduated from UNC with a biology degree and currently works for a gym. He specializes in weight training, circuit training, endu...

How To: Do shoulder compound exercises

Work out several muscle groups with compound exercises. Learn tips and techniques for working out the chest, back, shoulders, and arms in this weightlifting video. Take action: involve many muscles, work shoulders and triceps, have a spotter, and lift straight above head. Lance is certified personal trainer through American Fitness Association of America. He graduated from UNC with a biology degree and currently works for a gym. He specializes in weight training, circuit training, endurance t...

How To: Do shoulder exercises using cables

Use cable weight machines for shoulder exercises. Learn tips and techniques for working out the chest, back, shoulders, and arms in this weightlifting video. Take action: work anterior and lateral deltoids by pulling handle straight up to side, but don't lock elbows, raise arms straight out to the front. Lance is certified personal trainer through American Fitness Association of America. He graduated from UNC with a biology degree and currently works for a gym. He specializes in weight traini...

How To: Do back isolation exercises

Isolate muscles in the back with some simple exercise methods. Learn tips and techniques for working out the chest, back, shoulders, and arms in this weightlifting video. Take action: isolate back muscles with feet wider than shoulder-width, and bring weight down to hips but don't lock elbows. Lance, the instructor in this how-to video, is certified personal trainer through American Fitness Association of America. He graduated from UNC with a biology degree and currently works for a gym. He s...

How To: Do back compound exercises

Work out multiple back muscles with compound exercises. Learn tips and techniques for working out the chest, back, shoulders, and arms in this free weightlifting video. Take action: grip handles on the outsides, cross legs, bring chin to top of the bar, and return slowly, but don't swing legs. Lance, the instructor in this how-to video, is certified personal trainer through American Fitness Association of America. He graduated from UNC with a biology degree and currently works for a gym. He s...

How To: Execute an iso-lateral bench press for weight training

Have you tried working out with an isolated lateral bench press? Iso-lat bench presses are an essential part of lifting weights and strength training. This fitness how-to video tutorial demonstrates how to do an isolated bench press to strengthen the upper body. Learn tips and techniques for working out the chest, back, shoulders, and arms in this weightlifting video.

How To: Do a chest fly exercise on a weight machine

Have you tried a chest fly on a weight machine? Both a weight machines and a chest fly are an essential part of lifting weights and strength training. This fitness how-to video tutorial demonstrates strengthening the chest with flies on a machine. Learn tips and techniques for working out the chest, back, shoulders, and arms in this weightlifting video.