Arithmetic and Weaving in Antiquity
A pebble proof of the incommensurability in the square
Ellen Harlizius-Klück

 
 
 

But if we actually can learn something about mathematics from weaving, why then does Socrates deny this? We don't know. And this might be a more philosophical and not a mathematical question.

(The pebble on the right brings you back to the start)