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The Mechanical Universe

Draw with your finger


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Easy JavaScript FileReader Code
The JavaScript FileReader object allows web pages to read files stored on the user's computer. Files may be selected using the input element, or selected with a drag and drop operation. More ...

Area of an Ellipse Calculator
It's easy to calculate the area of an ellipse because it's similar to calculating the area of a circle ecept instead of Pi times the radius squared, its Pi times the long axis times the short axis. More ...

Windows 10 Shortcut to Turn Laptop Camera On or Off
To prevent hackers from sneaking a look at you, turn your laptop camera off. This article shows you how to place a shortcut on your desktop that you can use to quickly turn your laptop camera on or off. More ...

Network on a Chip (NoC)
NoC (Network on a Chip) is a method of placing a much larger number of processors on a multi-core chip. Much like a regular network, NoC has multiple point-to-point data links that are interconnected by routing switches. More ...

Inkscape Grouping
One function in Inkscape that is very handy is grouping. Without grouping in order to reposition an object we would need to select all its pieces. With grouping, all an object's pieces behave as a single object. More ...

Regular Expressions Boundaries
In this article you learn how to controls where a regular expression matches a string, on a word or non-word boundary, at the beginning or end of a string. You also learned about multiline mode. More ...

Html5 section vs article Element Best Practices
Many new semantic elements where added to HTML5. The purpose of most of these new elements was easily discernible. But a web search reveals that there is much confusion about the relationship between the article and the section element. More ...

A Brief Introduction to 3D Printing
Previously, the only ways to create 3D objects was casting and molding. 3D printing involves creating an object by laying down layer over layer of material, building the object from the bottom up. 3d printing is great for rapid prototyping. 3d printing is also a great way for a home artist to express their creativity. More ...

Regular Expression Basics : How many Matches?
A Regular Expression (regex) is a sequence of characters that define a pattern that allows you to search, match, locate, replace, manipulate, and manage text. In this article you'll learn how to use regular expressions to count the number of matches. More ...

What is a Regular Expression?
A Regular Expression (regex) is a sequence of characters that define a pattern that allows you to search, match, locate, replace, manipulate, and manage text. Regular expressions are very powerful, but also difficult to understand and complicated to use. More ...

Regular Expressions Intervals
Regular expression intervals tell us about the number of occurrences of a character in a string. Curly braces are used to define a precise count of how many occurrences you are checking for. More ...

Windows Event Logs for Maintaining or Troubleshooting Your PC
Your PC keeps logs of everything that happens. You can use the information in these logs to help maintain and troubleshoot and your PC. More ...

Windows 10 Disable Aero Snap and Shake
With Aero Snap and Shake Windows does what it wants to do, not what you want it to do. More ...

Introduction to Operating Systems
An operating system is software that acts as an intermediary between a computer user and the computer's applications and hardware. An operating system can be viewed as a resource allocator. Resources might be CPU time, memory space, file storage space, and input/output (I/O) devices. More ...

Basic Inkscape Text
This article just touches on the basics of using text in Inkscape. Through the use of gradients, filters, and textured fills, what you can do with text in Inkscape is just about unlimited. 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 ...


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