A conversation about mathematics inspired by an arbelos. Presented by Katie Steckles and Peter Rowlett, with special guest Catriona Agg.

Catriona mentions this proof without words, which is taken from Proof Without Words: The Area of an Arbelos by Roger B. Nelsen in Mathematics Magazine.

A conversation about mathematics inspired by a box of Christmas crackers. Presented by Katie Steckles and Peter Rowlett. Merry Christmas!

A conversation about mathematics inspired by an Enigma machine. Presented by Katie Steckles and Peter Rowlett, with special guest Tom Briggs.

A conversation about mathematics inspired by some solids of constant width. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics inspired by a ball of wool (yarn). Presented by Katie Steckles and Peter Rowlett, with special guest Pat Ashforth.

A conversation about mathematics inspired by a lottery machine. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics inspired by a Klein bottle and Mathsteroids. Presented by Katie Steckles and Peter Rowlett, with special guest Matthew Scroggs.

Play Mathsteriods!

A conversation about mathematics inspired by a hat. Presented by Katie Steckles and Peter Rowlett.

A conversation about mathematics and education inspired by a hundred square. Presented by Katie Steckles and Peter Rowlett, with special guest Susan Okereke.

In the episode, we mentioned the original Prime Climb colouring sheet and Peter’s Prime Climb colouring sheet on GitHub as drawing-primes.

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.)