<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 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 loading="lazy" 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="auto, (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>)

Mathematical Objects: Slice of pizza

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