<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 piece of folklore. Presented by Katie Steckles and Peter Rowlett.



<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2026/02/Norbert_Wiener-wikimedia.png"><img decoding="async" width="1024" height="625" src="https://aperiodical.com/wp-content/uploads/2026/02/Norbert_Wiener-wikimedia.png" alt="Norbert Wiener, a white man with beard and glasses in a suit standing in front of a blackboard with maths written on it." class="wp-image-31348" srcset="https://aperiodical.com/wp-content/uploads/2026/02/Norbert_Wiener-wikimedia.png 1024w, https://aperiodical.com/wp-content/uploads/2026/02/Norbert_Wiener-wikimedia-300x183.png 300w, https://aperiodical.com/wp-content/uploads/2026/02/Norbert_Wiener-wikimedia-768x469.png 768w, https://aperiodical.com/wp-content/uploads/2026/02/Norbert_Wiener-wikimedia-150x92.png 150w, https://aperiodical.com/wp-content/uploads/2026/02/Norbert_Wiener-wikimedia-800x488.png 800w, https://aperiodical.com/wp-content/uploads/2026/02/Norbert_Wiener-wikimedia-600x366.png 600w" sizes="(max-width: 1024px) 100vw, 1024px" /></a></figure>

<description>A conversation about mathematics inspired by a piece of folklore. Presented by Katie Steckles and Peter Rowlett.</description>

Mathematical Objects: A Norbert Wiener Story

<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 and communicating mathematics inspired by a &#8216;Certified Mathematical Object&#8217; sticker. Presented by Katie Steckles and Peter Rowlett, with special guest Chris Nho from <a href="https://www.public-math.org/">Public-Math.org</a>.



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-scaled.jpg"><img loading="lazy" decoding="async" width="1024" height="683" src="https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-1024x683.jpg" alt="Gold embossed sticker which says Certified Mathematical Object Official Seal Public-Math.org" class="wp-image-31312" srcset="https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-1024x683.jpg 1024w, https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-300x200.jpg 300w, https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-768x512.jpg 768w, https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-1536x1024.jpg 1536w, https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-2048x1365.jpg 2048w, https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-150x100.jpg 150w, https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-800x533.jpg 800w, https://aperiodical.com/wp-content/uploads/2026/01/mathematical-object-sticker-600x400.jpg 600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></a></figure>

<description>A conversation about mathematics and communicating mathematics inspired by a &amp;#8216;Certified Mathematical Object&amp;#8217; sticker. Presented by Katie Steckles and Peter Rowlett, with special guest Chris Nho from Public-Math.org.</description>

Mathematical Objects: Certified Mathematical Object sticker with Chris Nho

<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 taxicab. Presented by Katie Steckles and Peter Rowlett.



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2026/01/taxicab-scaled.jpg"><img loading="lazy" decoding="async" width="1024" height="576" src="https://aperiodical.com/wp-content/uploads/2026/01/taxicab-1024x576.jpg" alt="Yellow taxi on a busy city street." class="wp-image-31288" srcset="https://aperiodical.com/wp-content/uploads/2026/01/taxicab-1024x576.jpg 1024w, https://aperiodical.com/wp-content/uploads/2026/01/taxicab-300x169.jpg 300w, https://aperiodical.com/wp-content/uploads/2026/01/taxicab-768x432.jpg 768w, https://aperiodical.com/wp-content/uploads/2026/01/taxicab-1536x864.jpg 1536w, https://aperiodical.com/wp-content/uploads/2026/01/taxicab-2048x1152.jpg 2048w, https://aperiodical.com/wp-content/uploads/2026/01/taxicab-150x84.jpg 150w, https://aperiodical.com/wp-content/uploads/2026/01/taxicab-800x450.jpg 800w, https://aperiodical.com/wp-content/uploads/2026/01/taxicab-600x338.jpg 600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></a></figure>

<description>A conversation about mathematics inspired by a taxicab. Presented by Katie Steckles and Peter Rowlett.</description>

Mathematical Objects: A taxicab

<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 Venn diagram. Presented by Katie Steckles and Peter Rowlett, with special guest Keisha Thompson.



Katie mentioned the <a href="https://www.zazzle.co.uk/store/mathforequality/products">MathForEquality badges and pins</a>.



<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2025/12/Venn-Poem-5-A6.jpg"><img loading="lazy" decoding="async" width="865" height="612" src="https://aperiodical.com/wp-content/uploads/2025/12/Venn-Poem-5-A6.jpg" alt="Venn diagram poem, the artist Keisha Thompson describes this in the episode." class="wp-image-31214" srcset="https://aperiodical.com/wp-content/uploads/2025/12/Venn-Poem-5-A6.jpg 865w, https://aperiodical.com/wp-content/uploads/2025/12/Venn-Poem-5-A6-300x212.jpg 300w, https://aperiodical.com/wp-content/uploads/2025/12/Venn-Poem-5-A6-768x543.jpg 768w, https://aperiodical.com/wp-content/uploads/2025/12/Venn-Poem-5-A6-150x106.jpg 150w, https://aperiodical.com/wp-content/uploads/2025/12/Venn-Poem-5-A6-800x566.jpg 800w, https://aperiodical.com/wp-content/uploads/2025/12/Venn-Poem-5-A6-600x425.jpg 600w" sizes="auto, (max-width: 865px) 100vw, 865px" /></a></figure>

<description>A conversation about mathematics inspired by a Venn diagram. Presented by Katie Steckles and Peter Rowlett, with special guest Keisha Thompson. Katie mentioned the MathForEquality badges and pins.</description>

Mathematical Objects: Venn diagram with Keisha Thompson

<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 slice of pizza. Presented by Katie Steckles and Peter Rowlett.



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-scaled.jpg"><img loading="lazy" decoding="async" width="1024" height="683" src="https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-1024x683.jpg" alt="Slice of pizza on a plate next to an orange and some Pringles." class="wp-image-31183" srcset="https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-1024x683.jpg 1024w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-300x200.jpg 300w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-768x512.jpg 768w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-1536x1024.jpg 1536w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-2048x1365.jpg 2048w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-150x100.jpg 150w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-800x533.jpg 800w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-600x400.jpg 600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></a></figure>

<description>A conversation about mathematics inspired by a slice of pizza. Presented by Katie Steckles and Peter Rowlett.</description>

Mathematical Objects: Slice of pizza

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

Mathematical Objects

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