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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: Use the baseball chipping drill for better chip shots

Steven Bann shows a chipping drill that teaches distance control through the air. Golf clubs are arranged into "zones" which represent the plates of a baseball field, so golf clubs arranged horizontally and evenly distanced apart from the next golf club. This represents "first base," "second base," "third base" and home plate. This is a landing drill where the object of the drill is to land in the designated "first base" zone and then subsequent bases until you get three-in-a-row for each zon...

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: 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: The Next Big Thing in Smartphone Cameras Is Machine Learning — & It's Already Here

As smartphones become more accessible, billions of people have come to depend on their features for daily life. One of the most important aspects these days is the camera. OEMs have been working for years to improve camera quality, and they seem to have finally figured it out — the best way to achieve DSLR-quality photos wasn't just with better sensors, but with better intelligence.

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: Download Any SoundCloud or YouTube Song on Android

A growing trend for many artists (most recently Kanye West) is to offer exclusive or experimental tracks on music streaming sites like SoundCloud or YouTube before releasing them anywhere else. On rare occasions, some of these great songs never make their way onto an official album, which can be disappointing for die-hard fans who need to download every song available from their favorite artist or band.

How To: Use the Android App My Tracks to time yourself and save your running route

This video represent a bit of a digression for the Google Webmaster series of videos, spotlighting a cool Google-designed Android app and how to use it. The app in question is My Tracks, a free app that allows runner, bikers, and other distance exercisers to keep track of their distance, pace, splits, elevation, and all sorts of other information automatically with their phone. It will even create and save a map of your course, which you can then share online.

How To: Draw a rose garden with Michael Weisner

In this video tutorial, viewers learn how to draw a rose garden. Begin by marking the locations of the objects. Then draw the rose bushes around the garden pathway. Draw the lines with some cross hatching. This will give the bushes some form and feel. Add some circular boxes in the bushes to represent the roses. On the pathway, add some grass on the edges and stones on the path. In the center, draw a center piece and draw an arch over it. Finish by adding details to the roses. This video will...

How To: Solve word problems using proportions

This video shows the method to solve word problems using proportions. In the given problem, we have to find the time taken by a person to type 390 words if the person takes 1 minute to type 30 words. This can be solved using proportions. We take two fractions which are equal. We type '30 words' in the numerator of the first fraction and 1 minute in its denominator. This fraction must be proportional to the second fraction. The second fraction has '390 words' in the numerator and the variable ...

How To: Buy flowers for your girlfriend

Sure, you can go online and send the first flowers you see, but a little thought and planning will go a long way toward impressing her. Sure, you can go online and send the first flowers you see, but a little thought and planning will go a long way toward impressing her. You will need a friend or relative of the recipient. Send her favorite. If she’s ever mentioned a favorite flower, buy that. You’ll get bonus points for listening to her. If you have no clue, ask a friend or relative of hers ...

How To: Read binary on a block

Ever wonder how to read a binary clock? First, you must learn that in binary code there are only two numbers, one and zero. A binary clock has six columns and tells time in military time. The first two are for the hour. No light means zero. A light that is turned on is one. The first column has two dots the second column has four. if the second dot from the bottom in both columns is lit, it is 22:00 or ten o'clock. In the third column the light closest to the bottom is lit which means one. In...

How To: Do a line drawing of a cartoon chicken

the video starts out with Joe talking you through the basic steps in how to draw or sketch a chicken. Starting with the eyes, shaped like to ovals, side-by-side, touching. Drawing a curved line all the way across each one to represent the eyelids and two small dots to form the eyes. Next draw a sharp curved line down from the eyes forming the beak, with a c like shape towards the back, connecting back to the eyes completing the formation of the beak. Draw an upside down, narrow heart at the b...

How To: Use the levels and histogram in Photoshop

Deke McClelland explains what the Levels and Histogram commands can do in Photoshop in this video tutorial. Levels allows you to adjust the luminance levels allowing you to adjust the contrast and colors within each color channel of an image. Thus, Levels allows you to adjust the individual colors that can be found within a gradient. This command is very similar to the curves command but to a less powerful extent. It is also more efficient than the curves command. The Histogram is another col...