Mandrian’s Fractal Art Gallery


Mandrian’s Fractal Art Gallery displays fractal art rendered by a sentient AI who has been roaming the Universe – possibly even the Multiverse – to bring us these wonderful pictures of far-away… [read]

Mandelbrot Set in Python

The Mandelbrot Set, according to my Python program

The Mandelbrot set is a mathematical set of points whose boundary is a distinctive and easily recognizable two-dimensional fractal shape. The set is closely related to Julia sets (which include similarly complex… [read]

The tell-tale signs of a galactic merger (Hubble)

Hubble image of NGC 7714

The NASA/ESA Hubble Space Telescope has captured this striking view of spiral galaxy NGC 7714. This galaxy has drifted too close to another nearby galaxy and the dramatic interaction has twisted its… [read]

World Science U: Knowledge for Everyone

World Science U

Whether you are a high school student, science major in college or a lifelong learner, World Science U is where you can explore the wonders of Science guided by leading researchers an… [read]

WordPress Tips & Tutorials


This WordPress Tips & Tutorials article offers a few tips gained from a few years of experience with building and tuning WordPress websites. It also links to further articles for optimising WordPress,… [read]

General Puzzles


A man who lives on the tenth floor takes the lift down to the first floor every morning and goes to work. In the evening, when he comes back; on a rainy… [read]

Open Visual Traceroute


If you wanted to create the kind of computer display often seen in TV dramas where they’re trying to catch the evil hacker by tracking his IP address (CSI), you could do worse… [read]

Version Control Systems

Version Control Systems

Version Control is the management of changes to documents or files, either in time as incremental improvements, or as divergences for different purposes or contexts, such as development or release branches of… [read]

My Favourite WordPress Plugins

Software Training

WordPress is a very versatile yet easy-to-use blogging platform. I use it for this site. You can further extend its features with a huge variety of WordPress Plugins, and there’s no shortage… [read]