Valerie Pinfield
podcast

Chocolate and mayonnaise

What do chocolate and mayonnaise have in common? It's maths! Find out how in this podcast featuring engineer Valerie Pinfield.

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Analemmatic sundials: How to build one and why they work

We've all seen a traditional sundial, where a triangular wedge is used to cast a shadow onto a marked-out dial - but did you know that there is another kind? In this article, Chris Sangwin and Chris Budd tell us about a different kind of sundial, the analemmatic design, where you can use your own…
pattern
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Uncoiling the spiral: Maths and hallucinations

Think drug-induced hallucinations, and the whirly, spirally, tunnel-vision-like patterns of psychedelic imagery immediately spring to mind. But it's not just hallucinogenic drugs that conjure up these geometric structures. People have reported seeing them in near-death experiences, following sensory…
unequal sign
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The inequalities of COVID-19

The COVID-19 pandemic has amplified the differences between us. Understanding these inequalities is crucial for this and future pandemics.