Category: Geometry

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  How Many Sides Does A Circle Have?

  September 6, 2019

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  Magforming the Johnson Solids

  May 18, 2018
• The Grothendieck Song

  January 2, 2015
• Points and lines

  November 4, 2014
• Constructible Numbers

  September 13, 2013
• In praise of Pick’s theorem

  September 8, 2012
• Linear Programming in New Scientist

  August 10, 2012
• Pick’s Theorem & Ehrhart Polynomials

  February 1, 2012
• Webinar playback: some families of polyhedra

  May 16, 2011
• Bad Packer

  October 28, 2010