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.
In this video, Jim describes how a truncated version of an icosahedron looks like, with the help of a three dimensional soccer ball.
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.
Chinese tradition has always honored lotus flowers. Essentially, the lotus flower represents peace, creativity and purity amid adverse surroundings. This is a perfect subject matter for sumi ink painting. Watch this instructional painting video to practice painting lotus flowers with ink and watercolors.
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.
PowerPoint 2008 for Mac can help you turn boring old bulleted lists into something nobody would forget. With SmartArt graphics in PowerPoint you can now make your bullet lists pop using pre-formatted charts, graphs, and more. The Microsoft Office for Mac team shows you just how to make a bulleted list more visual in this how-to video.
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.
Without looking, peeking, or even cheating, you will be able to figure out who will win in a virtual game of rock-paper-scissors.
In the latest update to the ongoing Meta Company patent infringement case, the court has responded to a request from the defendants, and the answer isn't good news.
If you've ever made graphs and charts, you know it can be a struggle to represent a large amount of data. It's something that just doesn't work very well on a flat surface. In virtual and mixed reality, however, the data can exist all around you.
In the Harry Potter world, there was a character by the name of Beedle the Bard, who told a story about witnessing the three Peverell brothers building a bridge out of magic and successfully crossing a very dangerous river that had claimed many lives.
With this two-part painting lesson, you'll learn how to paint "Three Friends of Winter," a traditional Chinese motif depicting pine, plum and bamboo — three plants admired for their beauty and, in Taoism, Buddhism and Confucianism, said to be representative of good virtue.
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 ...
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.
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...
Buddha doesn't just sit on a lotus flower because it's kind of fun sitting on a flower throne. In many Asian traditions, the lotus flower represents sexual purity and non-attachment, which are the core tenets of Buddhism.
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 ...
Learn Newton's laws of motion from the utmost authority on aeronautics -- NASA aka National Aeronautics and Space Administration. See how Newton's laws apply to aircrafts from the powerhouse of space exploration. They talk about thrust force as applied to aviation.
The powerhouse of space exploration, NASA (National Aeronautics and Space Administration), sheds light on Newton's laws of motion as pertaining to drag force on aircrafts. This is a great source for any aeronautics major. The infamous government agency breaks drag down for you.
Camera angles can be expressed in both physical and psychological terms. The first episode presents the physical angles: low-angle, high-angle, and dutch angle.
The soles of your feet represent a map of your body. There are over 7000 nerve endings in your feet.
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...
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...
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...
HoloLens developer Michael Peters of In-Vizible has released quite a few videos since receiving his HoloLens last year. Many of his experiments are odd and funny, but some include serious potential approaches to data visualization. In the videos embedded below, you'll specifically see stock market information beautifully rendered in different ways to help understand the data.
Microsoft has the HoloLens and Google has their money on Magic Leap (as well as their own Tango and Cardboard, among others), but we've heard next to nothing about how Apple plans to enter the virtual/augmented/mixed reality space. A new patent offers some clues.
A cornucopia is perhaps one of the best symbols of what Thanksgiving's all about. Usually filled with fresh fruits, vegetables, and flowers, a cornucopia represents a good harvest and a cause for celebration of plenty.
For those of you who need a little brushing up on Greek history, Ares is the god of war. He represents bloodlust, brutality, violence, and civil order. As such, he's usually depicted as a strong, mature warrior with a shield and golden armor.
You can't accurately draw a human face - heck, any part of a human body - without knowing about how the underlying bones and muscles contribute to structure. And while disecting is by far the best thing you can do to improve your knowledge in these two fields, we don't all have the ability to do such things. So this video is the next best alternative.
This is one of the few times you should be a square. After all, achieving perfect, equally measured sides and angles involves fine tuned calculations that aren't open to creativity and whims.
Cosplay, or "costume play," is basically dressing up with costumes and accessories to represent a specific character, usually one in anime (like Sailor Moon) or manga. Like most Japanese fashion trends, cosplay emerged from the trendsetting Harajuku district of Japan and continues to thrive today, even in America when people wear costumes to anime conventions.
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 41st installment in his "Excel Statistics" series of free video lessons, you'll learn how to calculate deviations, variance and standard deviation for a sample and a population using Excel tables and the VAR, S...
If you want to accurately represent objects in three-dimensional space, then it's vital that you have a good grasp of perspective. This three-part, three-dee drawing lesson presents and overview of drawing with single-point (or one-point) perspective.
This origami video shows how to make a simple dove-like bird. I then go on to show you how to turn it into a hanging decoration. This would be great as a Christmas tree ornament or some other holiday decoration to represent peace. This simple project is a great holiday craft. All you need is paper, your hands, and origami skills! Voila! A custom holiday decoration.
In this video tutorial, Chris Pels will show how to create a web service in ASP.NET and then call the service from another ASP.NET web site. First, learn how to create an .asmx component which represents a web service in an ASP.NET web site. When creating the web service learn how to control several aspects of the web service functionality with web service attributes. Next, see how to test the web service in the Visual Studio web service test page. Then learn how ASP.NET allows many .NET data...
Call of Duty: Black Ops represents something of a departure for the series, taking a more action-adventure tilt than the pure shooting of its predecessors. This five-part video is a walkthrough of the first mission of the game: Operation 40, on Veteran difficulty.
In this video, we learn how to do a toeside pendulum in snowboarding. Start by sideslipping on your toe edge. Take note that tapping on one leg represents increased pressure on that foot. Look and point in the direction that you want to travel, then tap on both legs to get even pressure on both feet. Increase edge angle with even pressure on both feet to slow down and stop moving on the board. Once you get these tips and tricks down you can better understand how to ride the snowboard. Remembe...
In this video tutorial, viewers learn how to make shadow puppets. Users will need a good, strong light and good positioning of the light. It is recommended to use white or any bright colored walls. Users learn how to do 2 types of shadow puppets in this video. The first type is a swan. Simply hook the arm out. The forearm will be the neck and the biceps will be the body and feathers. Then flap the 4 fingers and thumb like a beak. The second type can be a variation of animals. Simply stick out...
New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 97th installment in their series of digital spreadsheet magic tricks, you'll learn how to use the AVEDEV function to measure the spread (variation) in a data set. Also see the STDEV function and learn how to measure whether a mean represents its data points fairly.
This video shows us the method to draw a fashion concept sketch. You must show the figure of the person you are drawing. You can draw the figure wearing a scarf you have designed. You can draw the flowers on it. A lot of sketches are very long. There are a lot of vertical lines and plates in the sketch. There are long legs at the bottom of the sketch. The parts of the body are not in human proportion. You can draw bracelets and a purse in the sketch. The sketch would be finished with color, v...
