by David Shaw, 14 October 2021 | 0 comments
This weird, wonderful shape is called a sphericon and it has a strange way of rolling. It wiggles back and forth as it trundles downhill!
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by David Shaw, 26 November 2020 | 0 comments
The holidays are coming, and it’s time to start decorating. What better way than a bright, colourful, mathematical star decoration!
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