Uploaded May 2019 | Updated September 2026, 2 weeks ago

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Thanks to Steve Mould for filming with me. Check out his "How viruses self assemble" video.
youtu.be/3X6qEE2fHvE

We have since made the t-shirt I'm wearing available for purchase:
fotsn.teemill.com/collection/recursive-t-shirt

We have some free teaching resources for anyone who wants to make a large collaborative fractal! As well as complicated 3D ones we've made a new Think Maths "low-prep giant Sierpinski triangle" guide.
think-maths.co.uk/standupmaths-videos?yt-PPT-fractals#PPT-fractals

The second channel video takes a closer look at the pptx file and the details of what version of PowerPoint you need to make this work.
youtu.be/5Mltw6cTb-s

Tom Wildenhain has since made far more successful PowerPoint fractals than Steve and I were anywhere near.
youtu.be/O8l_awjgoMI

If you want to see the live An Evening of Unnecessary Detail show: it's once a month in London.
festivalofthespokennerd.com/show/an-evening-of-unnecessary-detail

Some technical details about the Cantor Set.
mathworld.wolfram.com/CantorSet.html


CORRECTIONS
- Nothing yet. Let me know if you spot anything!

Thanks to my Patreon supports who do support these videos and make them possible. Here is a random subset:

Simon Hutchings
Philippe von Bergen
Richard Fourie
Alan Flett
James Tanner

Support my channel and I can make more maths videos:
patreon.com/standupmaths


Filming and editing by Trunkman Productions: trunkman.co.uk
Sound production by Peter Doggart
Music by Howard Carter
Design by Simon Wright

MATT PARKER: Stand-up Mathematician
Website: standupmaths.com
Maths book: wwwh.umble-pi.com
Nerdy maths toys: mathsgear.co.uk