Katie Steckles and Peter Rowlett chat about some aspect of mathematics using a mathematical object as inspiration.
https://aperiodical.com/podcasts/mathematical-objects/
episode 4: Mathematical Objects: On-Sets
A conversation about mathematics inspired by a 1960s game designed to teach set theory. Presented by Katie Steckles and Peter Rowlett.
On-Sets: A Vintage Set Theory Game by Peter Rowlett is free to read in Math Horizons.