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Posted on November 03, 2014

Triangular Trusses
What is the minimum number of crosses braces you need to make a rectangular grid stable?

Posted on June 28, 2012

Intransitive Dice
Intransitive Dice - How to use math to win free drinks from your friends!

Posted on June 12, 2014

Coffee Time Challenges
Bite sized problems just hard enough to be tackled over a good cup of coffee.

Posted on May 23, 2011

Price of soda (per gallon)
Comparisson of various liquids, and their price per gallon.