Uploaded March 2024 | Updated September 2026, 2 weeks ago

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Do check out my video with Adam Savage over on Tested: youtu.be/s_F4uD8wAs0

Yes, I'm back in NYC for An Evening of Unnecessary Detail on Sunday April 14. eventbrite.com/e/matt-parker-an-evening-of-unnecessary-detail-tickets-847453715877?aff=oddtdtcreator

Pre-order my new book! mathsgear.co.uk/collections/books/products/love-triangle-by-matt-parker-signed

The excellent graphics of spinning dodecahedrons were made by Ben Sparks. You can see the GeoGebra file here: geogebra.org/m/yhkepkbc

Some more details about space diagonals on Math Stack Exchange.
math.stackexchange.com/questions/4181398/space-diagonals-of-a-dodecahedron

Huge thanks to my Patreon supporters. They keep my polyhedra intersecting. patreon.com/standupmaths

CORRECTIONS
- None yet, let me know if you spot anything!

Filming and editing by Alex Genn-Bash
Written and performed by Matt Parker
Laser cutting by Lisa Mather
Extra graphics by Ben Sparks
Produced by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson
Training on using a bandsaw by Adam Savage

MATT PARKER: Stand-up Mathematician
Website: standupmaths.com
US book: penguinrandomhouse.com/books/610964/humble-pi-by-matt-parker
UK book: mathsgear.co.uk/collections/books/products/humble-pi-signed-paperback