Are odd-numbered mobius-loop cogs possible?

2019-07-17

[public] 220K views, 13.5K likes, 258 dislikes audio only

More details about Jane Street's WiSE and WiTT events: https://www.janestreet.com/join-jane-street/programs-and-events/

Here is the reddit post I first saw:

"I designed an Intertwined Mobius strip of Gears. 60parts, 285 balls"

https://www.reddit.com/r/3Dprinting/comments/blmqbd/i_designed_an_intertwined_mobius_strip_of_gears/

Just the gif:

https://i.redd.it/wi38hd95ebb11.gif

Thanks to ElminsCosplay for making the cogs for me! Check out their other stuff.

https://www.facebook.com/ElminsCosplay/

If you really want to, you can buy my book:

https://mathsgear.co.uk/products/humble-pi-a-comedy-of-maths-errors

These are the lectures I mention:

What Happens When Maths Goes Wrong? - with Matt Parker

https://youtu.be/6JwEYamjXpA?t=290

Matt Parker: "The Greatest Maths Mistakes" | Talks at Google

/youtube/video/34detVy-Hiw

This is my previous video with Sabetta:

Exploring Hyperbolic Space with VR (and crochet)

/youtube/video/MTfviv_aZYI

And check out Henry's crazy gears:

Three Gears are Possible - Numberphile

/youtube/video/5Mf0JpTI_gg

CORRECTIONS

- When I read the poster I say that education works best when all the parts are “moving” instead of “working”. The first person to complain about this was Steven Brace.

- Let me know if you spot anything else!

Thanks as always for Jane Street being my principal sponsor.

https://www.janestreet.com/

Thanks to my Patreon supporters who help make these videos possible. Here is a random subset:

Andy

Fernando Gaete Ferrari

Daniel Brockwell

Matt Langford

Markus Herrmann

Erin Eldridge

Support my channel and I can make more maths videos:

https://www.patreon.com/standupmaths

Music by Howard Carter

Filming and editing by Matt Parker

Design by Simon Wright

MATT PARKER: Stand-up Mathematician

Website: http://standupmaths.com/

Maths book: http://wwwh.umble-pi.com

Nerdy maths toys: http://mathsgear.co.uk/