14 minutes | Aug 28th 2020

Mathematical Objects: Twenty Pence coin

A conversation about mathematics inspired by a Twenty Pence coin. Presented by Katie Steckles and Peter Rowlett.

@stecks Despite sounding like French name, Franz Reuleaux was German (I only 'discovered' that when I read what I wrote about him some years ago.)

— Pat Ashforth (@matheknitician) August 29, 2020
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