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The Mechanical Universe

Draw with your finger


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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 ...

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 ...

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 ...

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 ...

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 ...

IPv4 to IPv6 Transition With the Dual-Stack Technique
Transition from IPv4 to IPv6 has been slow. If you can't immediately convert all your network hardware to IPv6, the dual-stack technique allows the easiest operation of IPv4 and IPv6 devices on the same network. More ...

Self-Esteem and Success
A person with high self-esteem believes that they are a worthwhile and important person. A person with low self-esteem believes that others are better than them, and that they deserve to treated badly by others. 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 ...

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 ...

Inkscape Layers and Z-Order
Inkscape's use of the Z axis is represented by layers and is called z-order. When you first draw an object on an empty canvas, it has a z-order of 1. If you draw a second object, it has a z-order of 2. If you draw a third object, it has a z-order of 3 and so on. 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 ...

How to Check Your PCs TPM
One of the requirements for Windows 11 is TPM version 2.0. If you have Windows 10 and you have TPM version 2.0 module, and it's enabled, then you can install and run Windows 11. More ...

Inkscape Text Kerning
Although Inkscape might be considered a vector drawing application, it is also a powerful typographical design program. Actually Text Kerning is not a good title for this article because in it I will cover all the different typographical adjustments you can make in Inkscape. More ...

Regular Expression Basics : Match a Set of Characters
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 match a set of of characters. More ...

Understanding Modern PC Specifications
There is a huge variety of different PCs available out there. Its no wonder that consumers are confused about what to buy. This article explains modern PC specifications. More ...

Processor Interrupts
An interrupt is a signal to the processor indicating an event has occurred that needs immediate attention. When an interrupt occurs, the processors normal path of execution is interrupted in order to run a routine to service the interrupt requester. More ...


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