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| Mobius band
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| Soma cube
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| Julia set
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| Ulam spiral
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| 2-D projection of a tesseract
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| Septafoil knot
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Welcome to this website! It is a work in progress and I will be adding to it on a weekly basis. This website is dedicated to writing about all mathematical topics that interest me and many others. Some of these articles take the form of dialogues or fictional tales. Below is the complete list of all articles I have written so far. As this is currently a fairly small website, I will have a list of categories once it becomes larger. I also have a puzzle and there will be a new one every month. I will also post solutions at the end of each month.
I have not updated this for a long time as I have been writing a book, together with David Darling. The book is titled Weird Maths and is aimed at the intelligent layperson. It will be published in March 2018. We have also been working on a series of videos to accompany the book. They can be found here.
Puzzles of the month
July/August 2015 - Summer Relay
September 2015 - Key Arrangements
November 2015 - Dividing the Tetrahedron
The following puzzles have expired their deadline.
December 2014 - Pyramid of numbers, solution
Christmas Special 2014 - Deer Oh Deer, solution
January 2015 - Alice and Bob, solution
February 2015 - Circles Inside Circles, solution
March 2015 - Six Boxes, solution
April 2015 - Hexagons Inside Hexagons, solution
May 2015 - Archimedean Cattle, solution
June 2015 - House Numbers, solution
October/Hallowe'en Special 2015 - Trick or Treat, solution
Here you can see all of the winners of past puzzles.
Hall of Fame
Alphabetical
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z