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And who’s the mysterious “Zac”? All is revealed…

What is it with cable TV? There is certainly some quality on cable – if I watch anything it is Discovery Channel, Bloomberg and Australia’s ABC Asia-Pacific. I guess I was naive, but I expected cable TV to be advertisement free – after all, you are paying for it. But you get this irritating ad [...]

This is great – the voice of half of the US – those that did not vote for Bush. Check out the “gallery”. http://www.sorryeverybody.com/

I’m no animal rights looney, but there is something wrong when Singapore’s SPCA has to ‘humanely destroy’ almost 10000 animals in a year (including 2200 dogs and 5500 cats). [Source: SPCA Annual Report 2004]. Why are so many pets sold in pet shops, when so many are then dumped and/or abused?

Interactive Mathematics was my first website. Presenting mathematics on the Web is not a straightforward task. Interactive Mathematics uses “LiveMath” (a free Active-X control allows manipulations and animations of graphs, equations, matrices, etc from within the Web page). Flash animations and interactive exploratory exercises Scientific Notebook documents (we used this software extensively for development of [...]

“I learn, therefore I am…” How come students are so demotivated by school?

Fractals are a visual representation of transformations of complex numbers. They produce some beautiful images. This one, not surprisingly, is called “autumn”. Image: source

Hey – I love these things! Here’s one called “Spiral Fractal”. Is this just a ‘nerd’ thing or does anyone else find them attractive? These images are freely available from here. We should always give recognition to others’ hard work!

I’ve had a lot of trouble with my Canon S3000 printer so I got rid of it. Just bought and installed an i455 – very happy with it – very good quality and reasonably quick and quiet.

There have been some embarrassments involving suspension bridges – the Tacoma Narrows bridge in the US spectacularly fell down in the 1940s because when the wind hit it at a certain velocity, it began to oscillate at its natural frequency. It kept vibrating until it shook itself to pieces. The solution was to build bridges [...]