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Want more? Here's four more random articles I wrote (Click here to refresh)

Posted on May 04, 2015

Clover Leaf Geometry Puzzle
What is the area of the shape described by the overlap of four inscribed semi-circles in a square?

Posted on February 23, 2013

Inefficient Rulers
Golomb Rulers and Costas Arrays.

Posted on September 06, 2014

Message in a bottle
Send and receive one-time anonymous fortune cookies to random people in the World.

Posted on November 13, 2016

Tangent Length Puzzle
Coffee time challenge: What is the length of this tangent?