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Mathematical art in the lava

By George Hart for the Museum of Mathematics

deltahedra harris Math Monday: Mathematical art in the lava

Edmund Harris created this geometric sculpture on a 35 year old lava field in Iceland. It can be understood as a simple form composed of equilateral triangles, but the curved edges where the triangles hinge together soften the geometry, giving it a more organic character.

deltahedra unit Math Monday: Mathematical art in the lava

The plywood parts are hinged, so they can be easily disassembled and rearranged. Edmund credits this construction system to Richard Grimes, and gives detailed fabrication instructions here. He hopes that others will find this to be an easy way to get started making large mathematical constructions.

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Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.


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