<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg"><img fetchpriority="high" decoding="async" width="800" height="209" src="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg" alt="Mathematical Objects" class="wp-image-20198" srcset="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg 800w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-300x78.jpg 300w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-768x201.jpg 768w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-150x39.jpg 150w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-600x157.jpg 600w" sizes="(max-width: 800px) 100vw, 800px" /></a></figure>



A conversation about mathematics inspired by a light pattern in a tea cup. Presented by Katie Steckles and Peter Rowlett, with special guest <a href="https://bsky.app/profile/dragondodo.bsky.social">Dominika Vasilkova</a>.



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-scaled.jpg"><img decoding="async" width="1024" height="768" src="https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-1024x768.jpg" alt="Empty tea cup with light pattern in the bottom showing a cardioid curve" class="wp-image-31187" srcset="https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-1024x768.jpg 1024w, https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-300x225.jpg 300w, https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-768x576.jpg 768w, https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-1536x1152.jpg 1536w, https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-2048x1536.jpg 2048w, https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-150x113.jpg 150w, https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-800x600.jpg 800w, https://aperiodical.com/wp-content/uploads/2025/12/20251203_195009-600x450.jpg 600w" sizes="(max-width: 1024px) 100vw, 1024px" /></a></figure>



<a href="https://chalkdustmagazine.com/features/cardioids-coffee-cups/">Cardioids in coffee cups &#8211; Chalkdust</a>



<a href="https://www.youtube.com/watch?v=hKpa9ntjgeo">Cardioids in Coffee Cups &#8211; Numberphile</a>



<a href="https://stringuart.com/">&#8216;Stringuart&#8217; String Art website</a> (and less commercial <a href="https://michael-crum.com/string-art-gen/">String Art Generator</a>)

<description>A conversation about mathematics inspired by a light pattern in a tea cup. Presented by Katie Steckles and Peter Rowlett, with special guest Dominika Vasilkova. Cardioids in coffee cups &amp;#8211; Chalkdust Cardioids in Coffee Cups &amp;#8211; Numberphile &amp;#8216;Stringuart&amp;#8217; String Art website (and less commercial String Art Generator)</description>

A conversation about mathematics inspired by a light pattern in a tea cup

A conversation about mathematics inspired by a light pattern in a tea cup. Presented by Katie Steckles and Peter Rowlett, with special guest Dominika Vasilkova.

Mathematical Objects: Cardioid with Dominika Vasilkova

<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg"><img decoding="async" width="800" height="209" src="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg" alt="Mathematical Objects" class="wp-image-20198" srcset="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg 800w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-300x78.jpg 300w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-768x201.jpg 768w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-150x39.jpg 150w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-600x157.jpg 600w" sizes="(max-width: 800px) 100vw, 800px" /></a></figure>



A conversation about mathematics, history, games and more, inspired by a Roman dodecahedron. Presented by Katie Steckles and Peter Rowlett.



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-scaled.jpg"><img loading="lazy" decoding="async" width="1024" height="576" src="https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-1024x576.jpg" alt="Roman dodecahedron" class="wp-image-31122" srcset="https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-1024x576.jpg 1024w, https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-300x169.jpg 300w, https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-768x432.jpg 768w, https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-1536x864.jpg 1536w, https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-2048x1152.jpg 2048w, https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-150x84.jpg 150w, https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-800x450.jpg 800w, https://aperiodical.com/wp-content/uploads/2025/11/Roman-dodecahedron-600x338.jpg 600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></a></figure>

<description>A conversation about mathematics, history, games and more, inspired by a Roman dodecahedron. Presented by Katie Steckles and Peter Rowlett.</description>

A conversation about mathematics, history, games and more, inspired by a Roman dodecahedron

A conversation about mathematics, history, games and more, inspired by a Roman dodecahedron. Presented by Katie Steckles and Peter Rowlett.

Mathematical Objects: Roman dodecahedron

<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg"><img loading="lazy" decoding="async" width="800" height="209" src="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg" alt="Mathematical Objects" class="wp-image-20198" srcset="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg 800w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-300x78.jpg 300w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-768x201.jpg 768w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-150x39.jpg 150w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-600x157.jpg 600w" sizes="auto, (max-width: 800px) 100vw, 800px" /></a></figure>



A conversation about mathematics inspired by a 3D wooden puzzle. Presented by Katie Steckles and Peter Rowlett, with special guest Grant Sanderson.



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-scaled.jpeg"><img loading="lazy" decoding="async" width="1024" height="768" src="https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-1024x768.jpeg" alt="Three 3D wooden puzzles made of interlocking wooden blocks." class="wp-image-31116" srcset="https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-1024x768.jpeg 1024w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-300x225.jpeg 300w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-768x576.jpeg 768w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-1536x1152.jpeg 1536w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-2048x1536.jpeg 2048w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-150x113.jpeg 150w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-800x600.jpeg 800w, https://aperiodical.com/wp-content/uploads/2025/11/3D-wooden-puzzles-IMG_3211-600x450.jpeg 600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></a></figure>

<description>A conversation about mathematics inspired by a 3D wooden puzzle. Presented by Katie Steckles and Peter Rowlett, with special guest Grant Sanderson.</description>

A conversation about mathematics inspired by a 3D wooden puzzle

A conversation about mathematics inspired by a 3D wooden puzzle. Presented by Katie Steckles and Peter Rowlett, with special guest Grant Sanderson.

Mathematical Objects: 3D wooden puzzle with Grant Sanderson

<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg"><img loading="lazy" decoding="async" width="800" height="209" src="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg" alt="Mathematical Objects" class="wp-image-20198" srcset="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg 800w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-300x78.jpg 300w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-768x201.jpg 768w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-150x39.jpg 150w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-600x157.jpg 600w" sizes="auto, (max-width: 800px) 100vw, 800px" /></a></figure>



A conversation about mathematics inspired by Lewis Carroll&#8217;s Game of Logic. Presented by Katie Steckles and Peter Rowlett.



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-scaled.jpg"><img loading="lazy" decoding="async" width="1024" height="576" src="https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-1024x576.jpg" alt="Square cake decorated with Game of Logic pattern. The square is divided into eight sections labelled with x, not x, y, not y and m as described in the podcast episode. Brown and white chocolate buttons mark five sections." class="wp-image-30227" srcset="https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-1024x576.jpg 1024w, https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-300x169.jpg 300w, https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-768x432.jpg 768w, https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-1536x864.jpg 1536w, https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-2048x1152.jpg 2048w, https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-150x84.jpg 150w, https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-800x450.jpg 800w, https://aperiodical.com/wp-content/uploads/2024/12/game-of-logic-cake-600x338.jpg 600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></a></figure>

<description>A conversation about mathematics inspired by Lewis Carroll&amp;#8217;s Game of Logic. Presented by Katie Steckles and Peter Rowlett.</description>

A conversation about mathematics inspired by Lewis Carroll's Game of Logic

A conversation about mathematics inspired by Lewis Carroll's Game of Logic. Presented by Katie Steckles and Peter Rowlett.

Mathematical Objects: Universe of cake

<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg"><img loading="lazy" decoding="async" width="800" height="209" src="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg" alt="Mathematical Objects" class="wp-image-20198" srcset="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg 800w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-300x78.jpg 300w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-768x201.jpg 768w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-150x39.jpg 150w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-600x157.jpg 600w" sizes="auto, (max-width: 800px) 100vw, 800px" /></a></figure>



A conversation about mathematics inspired by &#8230; an object. Presented by Katie Steckles and Peter Rowlett, with special guest <a href="https://www.math3ma.com/about">Tai-Danae Bradley</a>.



Katie mentions Peter&#8217;s <a href="https://www.nature.com/articles/475166a">The unplanned impact of mathematics</a>, free to read at Nature. 



<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2024/12/an-object.jpeg"><img loading="lazy" decoding="async" width="654" height="480" src="https://aperiodical.com/wp-content/uploads/2024/12/an-object.jpeg" alt="Diagram with four dots connected by six arrows." class="wp-image-30221" srcset="https://aperiodical.com/wp-content/uploads/2024/12/an-object.jpeg 654w, https://aperiodical.com/wp-content/uploads/2024/12/an-object-300x220.jpeg 300w, https://aperiodical.com/wp-content/uploads/2024/12/an-object-150x110.jpeg 150w, https://aperiodical.com/wp-content/uploads/2024/12/an-object-600x440.jpeg 600w" sizes="auto, (max-width: 654px) 100vw, 654px" /></a></figure>

<description>A conversation about mathematics inspired by &amp;#8230; an object. Presented by Katie Steckles and Peter Rowlett, with special guest Tai-Danae Bradley. Katie mentions Peter&amp;#8217;s The unplanned impact of mathematics, free to read at Nature.</description>

A conversation about mathematics inspired by ... an object

A conversation about mathematics inspired by ... an object. Presented by Katie Steckles and Peter Rowlett, with special guest Tai-Danae Bradley.

Mathematical Objects: An object with Tai-Danae Bradley

Katie Steckles and Peter Rowlett chat about some aspect of mathematics using a mathematical object as inspiration.

Mathematical Objects

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