Rotation without rotating.

From Standup Mathematician.

Check out Jane Street’s excellent Academy of Math and Programming (AMP).

Jane Street has put together a fun logic puzzle to get folks excited about the AMP program. You don’t need to complete the puzzle to apply – it’s just something fun to get you thinking! Check it out:

Here are Andrew Taylors slides on "Rotation with three shears". I saw him give this talk at the MathsJam Gathering 2023. The proof is on page 4.

This is a nice introduction to the concept:

Way more details on the maths behind rotating with shears here:

Oh dang my book:

Huge thanks to my Patreon supporters. They spin me right round, baby, right round, like a record, baby, right round^3.

– None yet, let me know if you spot anything!

Filming by Alex Genn-Bash
Editing by Dan Daniel
Written and performed by Matt Parker
Graphics by Matt Parker and Andrew Taylor
Produced by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson

MATT PARKER: Stand-up Mathematician