Collatz Conjecture in Scratch

It’s not the first time I have extolled the virtues of Scratch. It is a fantastic platform by which people can be introduced into programming. I fancied doing something creative this evening and playing about in Scratch. I was going to make a little game but then I thought about illustrating an aspect of the Collatz conjecture in Scratch.

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Sheepdog Trials

I have been interested in chaos for a long time. I like swarms – they are chaotic. Each individual in a swarm has a very simple set of rules to follow but overall, the swarm seems to move in a coordinated fashion. As such, I wanted to provide a simple and visual explanation of swarm behaviour that was accessible for people to interact with – MIT’s Scratch seemed the ideal platform then.

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