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The Mechanical Universe

Draw with your finger


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Inkscape Exercise: Draw Photorealistic Sphere
Although Inkscape is a 2D drawing application, it is quite capable of drawing photorealistic 3D images. To demonstrate this capability, in this article I show you, step-by-step how to draw a photorealistic sphere. More ...

Gift Giving in the Workplace
One thing that can add to the stress of the holiday season is workplace gift giving. giving a gift to a supervisor or manager sets up a conflict of interest and an ethics problem. In my opinion, holiday gifts should be given only to children. More ...

Export Inkscape Drawing as an Image
Although Inkscape images can be embedded in webpages, for most other applications you'll need a raster image format. Inkscape can export your drawing in the .png raster image format. More ...

The figure and figcaption Tags
The html figure element is a container for an image and optionally for a figcaption element that defines a caption for that image. More ...

Inkscape Text on Path
One of the most amazing things Inkscape can do, and one of the easiest, is to place text on a curved path. You can even make the text go in a circle. More ...

Create a Cool Picture Frame Effect with CSS
By setting the CSS border-color property to a transparent color, and setting the background-origin property to border-box you can create a cool picture frame effect. More ...

What is an Ethernet Crossover Cable?
When connecting two computers together without a switch or router in between you need a special cable, called a crossover cable, that has the transmit wire pair swapped with the receive wire pair. More ...

JavaScript to Copy and Paste Text to the Clipboard
In some applications, rather than the user's selection, you may want to copy the contents of a specific html element to the clip board. Or when the user initiates a Paste, you may want to direct the contents of the user's clipboard to a specific html element on the webpage. Here is the code for this. More ...

Regular Expression Position Matching
In this article you how to use regular expressions to match characters at the beginning, end, both beginning and end, or at any specified location in a string. More ...

Minispreadsheet
Minispreadsheet is a tiny extremely easy to use spreadsheet, You can type text into a cell, you type a number into a cell. A formula is a simple list of cells with basic mathematical operators between them. If you change the number in a cell used in a formula in a different cell, the value in the cell with the formula will be updated. More ...

SVG Basic Shapes Tutorials
This is an introduction to SVG (Scalable Vector Graphics) and tutorials with examples on how to use simple code to draw basic shapes. More ...

A Handful of Useful Run Commands: calc, notepad, wordpad, voice recorder, control
The Run dialog box which can be opened by pressing the [Windows] + [R] keys. Run dialog box is a rapid way to open programs. Here are some quick and useful Run commands. More ...

How to Draw an Airplane
Drawing an airplane is much easier if you first construct two-point perspective guidelines. This article shows you how to draw an airplane in ten easy steps. More ...

Capacitors
A capacitor is an electronic component that can store electric charge. A capacitor is constructed with two conductive plates separated by an insulator called a dielectric. More ...

Speed Up Windows 10 by Disabling Trivial Visual Effects
Does your Windows 10 PC perform annoyingly slow? You may be able to get a significant performance boost by disabling unnecessary visual effects. Here's how. More ...

Regular Expression: Alternation
In this article you learn how to create an alternation regular expression that will match alternate patterns in a string. More ...


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