Sharing Dave Richeson’s tweet explaining the concept of dimension with my younger son

I saw a really neat tweet (and subsequent twitter thread) yesterday:

I thought that Dave’s tweet would make for a great project, so we took a close look at it this morning. We started by looking at the tweet and then I asked my son what his definition of dimension was:

Next we worked through a few of the introductory examples in Dave’s tweet – a point, a line, a square, and a cube:



Next we moved on to the fractals. Here we also need to talk about logarithms, so we stuck to two of the examples – the Sierpinski Triangle and the Koch Curve:



Finally, we looked at the most complicated example – the Sierpinski Carpet. At the end of this video we recap and got my son’s thoughts on non-integer dimensions

This was a terrific project. Thanks to Dave for sharing the idea!

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