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Stories by Colm Mulcahy

How to Get to the Fourth Dimension

How to Get to the Fourth Dimension

A new book offers mathematical puzzles, such as fitting a coin through a hole that seems too small to accommodate it

July 31, 2015 — Colm Mulcahy

A Month of Math, Magic and Mystery

Haven't got the Math Awareness Month bug yet? Here are three teasers to get you started: 1. What read the same right side up and upside down, and combine mathematics, art, and language?

April 16, 2014 — Colm Mulcahy

Celebrations of Mind Honor Math’s Best Friend, Martin Gardner

Every fall provides a special excuse for all thinking people to celebrate recreational math, magic and rationality, some of the things that were dear to America’s greatest man of letters and numbers, former Scientific American columnist Martin Gardner (1914 ­– 2010), via Celebration of Mind events.

October 29, 2013 — Colm Mulcahy
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Scientific American Health & Medicine

Scientific American Health & Medicine