Being an exhibitor at the Joint Mathematics Meetings gives one a unique perspective on the event. People stop by our booth to chat, sometimes about math, or family, or just to catch up. The richness and breadth of topics discussed and connections made never ceases to surprise me. Neither does the range of ages of…

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# Category: Featured

## Nets of Solids and Geometiles, part 1

My friend from Spain recently invited me on a tour down mathematical memory lane. When she and her brother were in school, some time in the 1980’s, they made these geometric solids with their dad. Amazingly, their dad (who is now a granddad) kept the paper solids for all these years and recently gave them…

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## Platonic Solids: Antiquity To Now

Shapes have fascinated humans since the beginning of time. The polyhedra, or solid shapes with flat polygonal faces, is one of such shapes. One of the most appealing types of polyhedra is the icosahedron, most likely due to its high degree of symmetry. In the image above, you can see that the view from the…

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## In the footsteps of Archimedes: celebrating Pi day

Nowadays, thanks to modern day computers, we have instant access to the approximation of π (the ratio of a circle’s circumference to its diameter) to any degree of accuracy. But back in antiquity, getting a good approximation of π was elusive and difficult. Over 2000 ago, the Greek mathematician and scientist Archimedes derived an accurate approximation of π using…

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