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Mathematical Objects: Arbelos with Catriona Agg

By Katie Steckles and Peter Rowlett. Posted May 21, 2021



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.





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Mathematical Objects: Christmas crackers

By Katie Steckles and Peter Rowlett. Posted December 25, 2020

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

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Mathematical Objects: Enigma machine with Tom Briggs

By Katie Steckles and Peter Rowlett. Posted December 11, 2020

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

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Mathematical Objects: Solids of constant width

By Katie Steckles and Peter Rowlett. Posted November 27, 2020

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

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Mathematical Objects: Ball of wool with Pat Ashforth

By Katie Steckles and Peter Rowlett. Posted November 13, 2020

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

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Mathematical Objects podcast now on YouTube

By Katie Steckles. Posted November 9, 2020

For anyone who gets their podcasts through YouTube, and for the attention of anyone who didn’t already know about the Mathematical Objects podcast, we’ve started posting old episodes on the Aperiodical’s YouTube channel, and will do so once a week (10am GMT on Mondays) until we catch up with the current episode.

The first episode is on Towers of Hanoi, and there’s a playlist where all future episodes will be added. For more information about the podcast, visit our page on the site.

Mathematical Objects: Lottery machine

By Katie Steckles and Peter Rowlett. Posted October 30, 2020

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

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